diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4bb4e833..20e20d62 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -67,6 +67,7 @@ updated languages:
 *  ru (Russian) -- Valdis Vitolins, Reece Dunn
 *  sd (Sindhi) -- Ejaz Shah
 *  ur (Urdu) -- Ejaz Shah
+*  vi (Vietnamese) -- Anh Hoang Nguyen
 
 ### 1.49.2 - 2017-09-24
 
diff --git a/dictsource/de_list b/dictsource/de_list
index 9d312675..178b868f 100644
--- a/dictsource/de_list
+++ b/dictsource/de_list
@@ -25,7 +25,8 @@ _.	pUNkt
 @	'Et
 ~	tIld@
 \ 	bEkslES
-
+€	OYro:
+°	grA:d
 _,	kOmA:
 _|	St'A:b
 _:	d'Op@lp,UNkt
@@ -611,11 +612,13 @@ word		_^_EN
 //=====================
 abort           ab'Ort
 absentier       apzEnt'i:r
+absolut	$3
 abstinent        $3
 accessoire	asEsw'A:r
 achso           axz'o:
 adress	$2
 akazie           $alt
+akkord	$2
 alarm	$2
 allein           $2
 allgemein	'alg@maIn
@@ -643,6 +646,7 @@ bebung	b'e:bUN
 baguette	bag'Et
 balkan           $1
 balkon           $2
+balance	bal'A~s
 bandagier       bandaZ'i:r
 beben           be:b@n
 beere           be:r@
@@ -655,6 +659,7 @@ bibliothek	bi:bli:o:t'e:k
 bisschen	b'IsC@n
 bizarr           $2
 blamage		$alt
+bourgeoisie	bUrZwAz'i:
 braille	braIj
 bronchie         $alt
 buch            b'u:x
@@ -689,6 +694,7 @@ dragier         draZ'i:r
 dritte          drIt@
 dschungel	dZ'UN@l
 duett           du:'Et
+düst	dy:st
 
 ebendaher       e:b@ndah'e:r
 ebendahin       e:b@ndah'In
@@ -870,6 +876,7 @@ rupie            $alt
 sabbat          zabat
 sagt            zA:gt
 salopp           $2
+sarkasmus	$2
 schieberegler	S'i:b@re:gl3
 schokolad	$3
 schreibung	Sr'aIbUN
@@ -896,8 +903,8 @@ stalagmit       stalagm'It
 subjekt		$1
 
 tag             tA:g
+teint	t'W~
 telegen         te:le:g'e:n
-temporär	$3
 terrain	tEr'W~
 the             D@         // English
 theater         te:'A:t3
@@ -905,6 +912,7 @@ tja		tjA:
 tonnage		$alt
 tragödie	$alt
 train           tre:n
+trapez	$2
 trolley	tr'Oli:
 trost	tr'o:st
 tsunami		tsu:n'A:mi:
@@ -945,6 +953,7 @@ zymbal		$1
 
 // Names
 Armin	$1
+chopin	SOp'W~
 Djakarta	dZak'artA:
 Djibouti	dZi:b'u:ti:
 Fruecht	fr'yCt
diff --git a/dictsource/de_rules b/dictsource/de_rules
index 7ec2960b..73186904 100644
--- a/dictsource/de_rules
+++ b/dictsource/de_rules
@@ -370,6 +370,7 @@ r     p) ay         EI
 
         eb (t_     e:p
         eg (t_     e:k
+        enz (_	'Ents
         eth	e:t
 
         een (_     'e:@n
@@ -556,6 +557,7 @@ r     p) ay         EI
  massa) g          Z
         gabe	gA:b@
      @) ght (_     _^_EN
+        gleich	glaIC
         graph      grAf
         graph (_   gr'A:f
         green      _^_EN
@@ -673,6 +675,8 @@ r     p) ay         EI
         i (erin    =i:
      @) ig (+      Ig#       // [ig] or [iC]
         igh (K     _^_EN
+        ine (_	'i:n@
+        inen (_	'i:n@n
 
         i (i       i:_!
 
@@ -894,6 +898,7 @@ formal) ie         =I@
         nieder     ni:d3
         nord (L04st n%Ort
         nord (west n%Ort
+        notwend	no:tvEnd
         nuance     ny:'A~s@
 
 .group o
@@ -1041,6 +1046,7 @@ formal) ie         =I@
      _) sch (mA    S
      _) sch (nA    S
      _) sch (w     S
+schenk	SENk
      _) sh (A      S
      _) sh (rA     S
      _) s (kA      s    // allow _sk
@@ -1053,6 +1059,7 @@ formal) ie         =I@
      _) s (plA     S
      _) s (plend   s
      _) s (prA     S
+        spräch	SprE:C
      _) s (quA     s
      _) s (tA      S
      _) s (trA     S
@@ -1093,6 +1100,7 @@ formal) ie         =I@
         st (art    St
         st (ä      St
         st (eh     St
+        st (off	St
         st (ö      St
         st (rich   St
         st (ü      St
@@ -1130,6 +1138,7 @@ formal) ie         =I@
         soldat     z%OldA:t
      &) so (rt_    s_|O
         summe      zUm@
+        synaps	zy:n'aps
 
         speed      _^_EN
   stau) ss         s
@@ -1294,6 +1303,7 @@ formal) ie         =I@
         väter      fE:t3
      _) v (ati_    f
      _) v (ät      f
+        vers (_	v'Erz
      _) v (ie      f
      _) v (iet     v
      _) v (iz      f
@@ -1441,6 +1451,7 @@ formal) ie         =I@
 
         äb (t_     E:p
         äg (t_     E:k
+        är (_	'E:r
      t) ät (_      'E:t
         ä (um_N    'E:
 
diff --git a/dictsource/hy_rules b/dictsource/hy_rules
index 775a89ed..211531d4 100644
--- a/dictsource/hy_rules
+++ b/dictsource/hy_rules
@@ -1,5 +1,5 @@
 // translation rules for Armenian (East)
-//  (consonants are changed for Armenian-West in the voice file "hy-west")
+//  (consonants are changed for Armenian-West in the espeak-ng-data/lang/ine/hyw voice file)
 // This file is UTF-8 encoded
 
 // ?1  West Armenian
diff --git a/dictsource/ur_list b/dictsource/ur_list
index 595d75e7..b719d276 100644
--- a/dictsource/ur_list
+++ b/dictsource/ur_list
@@ -1434,3 +1434,10 @@ _dpt	_ISaRI'Ia_
 دھواں	d#u:a~:
 گوگل	gu:gUl
 متنوع	mUtanave:
+جانور	Ja:nvaR
+جانوروں	Ja:nvaRo~:
+مفید	mUfi:d
+ایندھن	i:nd#an
+(ٹڈی دل)	t.Id.:i:||dal
+بیشتر	be:StaR
+حدت	HIdat
diff --git a/dictsource/ur_rules b/dictsource/ur_rules
index 5f218412..9762d72d 100644
--- a/dictsource/ur_rules
+++ b/dictsource/ur_rules
@@ -252,6 +252,7 @@ _) ای	e:
 	_)عسکر	askaR
 	_)عما(ر	Ima:
 	_)علاق	Ila:q
+	_)عموم	Umu:m
 
 .group و
 	و	o:
@@ -260,7 +261,8 @@ _) ای	e:
 	و (L01	v
 	_) و	vV
 	 وع (_	u:
-	وّ	v:
+	وّ	v:V
+	وّ(L01	v:
 	_L02L06L02)و(L02	u:
 	L02) ونکہ (_	u:nk'e:H
 	_L02)و(L01	av
@@ -353,6 +355,7 @@ _) ای	e:
 	_)بیوقوف	be:vaqu:f
 	_)بلند	bUland
 	_)بہشت	baHISt
+	بْ	b
 
 
 .group پ
@@ -374,6 +377,8 @@ _) ای	e:
 	_)پہن(L01	pEHn
 	_)پہ(L02_	pEHE
 	_)پران(L01	pURa:n
+	پْ	p
+	_)پرند	paRInd
 
 .group ت
 	ت	tV
@@ -398,6 +403,7 @@ _) ای	e:
 	تہ(_	ta
 	_)تصور	tas.av:UR
 	_)تحریر	tEHRi:R
+	تْ	t
 
 .group ٹ
 	ٹ	t.V
@@ -411,13 +417,15 @@ _) ای	e:
 	_) ٹہ (L02	t.'EH
 	_) ٹرین	t.R'e:n
 	_) ٹیم	t.i:m
+	ٹْ	t.
 
 
 .group ث
 	ث	sV
 	ث (L01	s
-	ثّ	ssV
-ثّ (L01	ss
+	ثّ	s:V
+	ثّ(L01	s:
+	ثْ	s
 
 
 .group ج
@@ -441,6 +449,8 @@ _) ای	e:
 	_)جھلمل	J#IlmIl
 	_)جماعت	Jama:t
 	_)جسم	JIsm
+	جْ	J
+	_)جتن(L01	JItn
 
 .group چ
 	چ	cV
@@ -453,6 +463,7 @@ _) ای	e:
 	_) چہ (L02	c'EH
 	_) چیز	c'i:z
 	_) چوم	c'u:m
+	چْ	c
 
 .group ح
 	ح	HV
@@ -463,6 +474,7 @@ _) ای	e:
 	حکمران	H,UkmaR'a:n
 	_) حوال	Hav'a:l
 	_)حمایت	HIm'a:jat
+	حْ	H
 
 
 	حّ	H:V
@@ -485,6 +497,7 @@ _) ای	e:
 	_)خوب	xu:b
 	خبردار	xabaRda:R
 	_)خاموش	xa:mo:S
+	خْ	x
 
 
 .group د
@@ -513,22 +526,25 @@ _) ای	e:
 	دریافت	daRja:ft
 	_)دعا	dUa:
 	_)دودھ	du:d#
+	دْ	d
 
 .group ڈ
 	ڈ	d.V
 	ڈھ	d.#V
 	ڈ (L01	d.
 	ڈھ (L01	d.#
-	ڈّ	d.d.V
-	ڈّ (L01	d.d.
+	ڈّ	d.:V
+	ڈّ(L01	d.:
 	ڈھونڈ	d.#'u:nd.
 	@) ڈز (_	d.z
 	ڈرائیور	d.R'a:jvaR
+	ڈْ	d.
 
 .group ذ
 	ذ	zV
 	ذ (L01	z
 	_) ذہ (L02	z'EH
+	ذْ	z
 
 .group ر
 	ر	RV
@@ -546,6 +562,7 @@ _) ای	e:
 	_)رفت	Raft
 	_)روی(L03	Ravai
 	_)رشوت	RISvat
+	رْ	R
 
 .group ڑ
 	ڑ	r.V
@@ -554,6 +571,7 @@ _) ای	e:
 	ڑّ (L01	r.r.
 	ڑھ	r.hV
 	ڑھ (L01	r.h
+	ڑْ	r.
 
 .group ز
 	ز	zV
@@ -563,10 +581,12 @@ _) ای	e:
 	_) زند	z'Ind
 	_) زہ (L02	z'EH
 	_) زلزل	z,alz'al
+	زْ	z
 
 .group ژ
 	ژ	ZV
 	ژ (L01	Z
+	ژْ	Z
 
 .group س
 	س	sV
@@ -593,7 +613,7 @@ _) ای	e:
 	L03L02)ستان(_	Ista:n
 	L02) ستانی (_	Ist'a:ni
 	_)س(ٹL01L03	s
-	_)
+	سْ	s
 
 .group ش
 	ش	SV
@@ -604,7 +624,7 @@ _) ای	e:
 	شاعر	Sa:'a:IR
 	_) شعرا	S'ORa:
 	_) شعل	S'Ol
-	@)شت	St
+	@)ش(ت	S
 	_) شخص	S'axs.
 	_) شہ (L02	S'EH
 	شرمند	S,aRm'Ind
@@ -612,15 +632,17 @@ _) ای	e:
 	L03)شنز(_	Sanz
 	شعور	Sau:R
 	_)ششدر	SaSdaR
+	شْ	S
 
 .group ص
 	ص	s.V
 	ص (L01	s.
-	صّ	ssV
-	صّ (L01	ss
+	صّ	s.:V
+	صّ (L01	s.:
 	صوب	s.'u:b
 	_)صنف	s.Inf
 	_)صفت	s.Ifat
+	صْ	s.
 
 .group ض
 	ض	zV
@@ -628,26 +650,31 @@ _) ای	e:
 	ضّ	z:v
 	ضّ (L01	z:
 	ضرور	zaRu:R
+	ضْ	z
 
 .group ط
 	ط	tV
 	طھ	t#V
 		ط (L01	t
 	طھ (L01	t#
-	طّ	ttV
-	طّ (L01	tt
+	طّ	t:V
+	طّ (L01	t:
+	طْ	t
 
 .group ظ
 	ظ	z.V
 	ظ (L01	z.
-	ظّ	z.z.V
-	ظّ (L01	z.z.
+	ظّ	z.:V
+	ظّ (L01	z.:
+	ظْ	z.
 
 .group غ
 	غ	QV
 	غ (L01	Q
-	غّ	QQV
-	غّ (L01	QQ
+	غّ	Q:V
+	غّ (L01	Q:
+	غْ	Q
+	_)غذا	QIza:
 
 .group ف
 	ف	fV
@@ -658,16 +685,18 @@ _) ای	e:
 	_) فہ (L02	f'EH
 	فلم	f'Ilm
 	_)فریب	faRe:b
+	فْ	f
 
 .group ق
 	ق	qV
 	ق (L01	q
-	قّ	qqV
-	قّ (L01	qq
+	قّ	q:V
+	قّ (L01	q:
 	قاعد	q'a:jd
 	_) قسط	q'Ist
 	_) قیا	q'aja:
 	_)قصور	qUs.u:R
+	قْ	q
 
 .group ک
 	ک	kV
@@ -690,6 +719,8 @@ _) ای	e:
 	_)کھجور	k#aJu:R
 	_)کھچ	k#Ic
 	_)کھد(L01	k#Ud
+	کْ	k
+	_)کیڑ	ki:r.
 
 .group گ
 	گ	gV
@@ -714,6 +745,7 @@ _) ای	e:
 	_)گروپ	gRu:p
 	_)گفت	gUft
 	_)گریڈ	gRe:d.
+	گْ	g
 
 .group ل
 	ل	lV
@@ -726,6 +758,7 @@ _) ای	e:
 	_) لین	le:n
 	@)لڈ(_	ld.
 	_)لاہور	la:Ho:R
+	لْ	l
 
 .group م
 	م	mV
@@ -796,6 +829,8 @@ _) ای	e:
 	_)مح(L02L01	mEH
 	_)میٹھ	mi:t.#
 	_)مت(L02L03	mUta
+	مْ	m
+	_)مراد	mURa:d
 
 .group ن
 	ن	nV
@@ -834,6 +869,8 @@ _) ای	e:
 	_)نقص	nUqs.
 	@)نٹ(_	nt.
 	@)ن(ج	n
+	نْ	n
+	_)نثار	nIsa:R
 
 .group ں
 	ں	n    // this should nasalize the vowel
@@ -860,6 +897,8 @@ _) ای	e:
 	_) ہم (L02L02L02P2	H'am
 	_)ہیر(L01	Hi:R
 	_)ہدایت	HId'a:jat
+	ہْ	H
+	_)ہجرت	HIJRat
 
 .group ۃ
 	ۃ	t
@@ -873,6 +912,15 @@ _) ای	e:
 .group ّ
 	ّ	:
 
+.group ْ
+	ْ	
+
+.group ٖ
+	ٖ	a
+
+.group ٔ
+	ٔ	
+
 .group ً
 	ً	an
 
diff --git a/dictsource/vi_list b/dictsource/vi_list
index 7d8b6501..dbcad85b 100644
--- a/dictsource/vi_list
+++ b/dictsource/vi_list
@@ -29,41 +29,41 @@ _2	h'a:I		// hai
 _3	_b'a:		// ba
 _4	_b'o3n		// bốn
 _5	n'am		// năm
-_6	s.'aU3		// sáu
+_6	s'aU3		// sáu
 _7	_b'aI4		// bảy
 _8	t['a:3m		// tám
-_9	c'i3n		// chín
+_9	tSi3n		// chín
 _1X	m'y@2j		// mười
 _2X	h'a:I||m'y@7j	// hai mươi
 _3X	_b'a:||m'y@7j	// ba mươi
 _4X	_b'o3n||m'y@7j	// bốn mươi
 _5X	n'am||m'y@7j	// năm mươi
-_6X	s.'aU3||m'y@7j	// sáu mươi
+_6X	s'aU3||m'y@7j	// sáu mươi
 _7X	_b'aI4||m'y@7j	// bảy mươi
 _8X	t['a:3m||m'y@7j	// tám mươi
-_9X	c'i3n||m'y@7j	// chín mươi
+_9X	tSi3n||m'y@7j	// chín mươi
 
 _21	h'a:I||m'y@7j||m'o3t[
 _31	_b'a:||m'y@7j||m'o3t[
 _41	_b'o3n||m'y@7j||m'o3t[
 _51	n'am||m'y@7j||m'o3t[
-_61	s.'aU3||m'y@7j||m'o3t[
+_61	s'aU3||m'y@7j||m'o3t[
 _71	_b'aI4||m'y@7j||m'o3t[
 _81	t['a:3m||m'y@7j||m'o3t[
-_91	c'i3n||m'y@7j||m'o3t[
+_91	tSi3n||m'y@7j||m'o3t[
 
 _25	h'a:I||m'y@7j||l'a7m
 _35	_b'a:||m'y@7j||l'a7m
 _45	_b'o3n||m'y@7j||l'a7m
 _55	n'am||m'y@7j||l'a7m
-_65	s.'aU3||m'y@7j||l'a7m
+_65	s'aU3||m'y@7j||l'a7m
 _75	_b'aI4||m'y@7j||l'a7m
 _85	t['a:3m||m'y@7j||l'a7m
-_95	c'i3n||m'y@7j||l'a7m
+_95	tSi3n||m'y@7j||l'a7m
 
-_0C	cr'am		// trăm
+_0C	tS'am		// trăm
 _0M1	N'a:2n		// ngàn
-_0M2	cr'i@6w		// triệu
+_0M2	tS'i@6w		// triệu
 _0M3	t['i4		// tỷ
 _0and	l,in^		// linh
 _dpt	_f,@I4_
@@ -71,14 +71,14 @@ _dpt	_f,@I4_
 // kí hiệu - symbols
 ~	J'@U3N'a:5
 `	J'@U3hw'i@2n
-_!	J'@U3c'@3mt'a:7n
+_!	J'@U3tS@3mt'a:7n
 @	a:1k'O2N
 #	J'@U3t'a7N	$max3
 $	J'@U3_d'o1l'a:7
-%	f'@2ncr'a7m
+%	f'@2ntS'a7m
 ^	J'@U3m'u5
 &	J'@U3v,a:2
-*	J'@U3s.'a:U7	$max3
+*	J'@U3s'a:U7	$max3
 _(	m'@:4Nw'a6kh
 _)	_d'O3NNw'a6kh
 _-	Q'a:6cN'a:7N
@@ -91,16 +91,16 @@ _[	m'@:4Nw'a6khv'u@7N
 _]	_d'O3NNw'a6khv'u@7N
 _|	s'o4t'a4N
 _\	s'o4f,a:I4
-_:	h'a:I1c'@3m
-_;	c'@3mf'@I4
+_:	h'a:I1tS@3m
+_;	tS@3mf'@I4
 _'	Nw'a6kh_d'@:7n
 _“	Nw'a6khk'E3p
 _,	f'@I4
-_.	c'@3m
-_/	s'o4cr'a:I3
+_.	tS@3m
+_/	s'o4tS'a:I3
 _<	n^'O4h'@:7n
 _>	l'@:3nh'@:7n
-_?	h'OI4c'@3m
+_?	h'OI4tS@3m
 
 // ?? found in festival wow_vi_ptn_phrasing.scm
 bị	$u
diff --git a/dictsource/vi_rules b/dictsource/vi_rules
index a9259b96..a90f3347 100644
--- a/dictsource/vi_rules
+++ b/dictsource/vi_rules
@@ -81,8 +81,9 @@ ỵ	ỵ
 //================================
 .L01 t c ne nd k x s nt ch th me te le ce ny ry e o u re nch de p pe ph sh v ve ge r
 .L02 n a
-.L03 t ch nh
+.L03 ch nh
 .L04 a u ă â o ô á à ả ã ạ ù ú ủ ũ ụ ắ ằ ẳ ẵ ặ ấ ầ ẩ ẫ ậ ó ò ỏ õ ọ ố ồ ổ ỗ ộ ư ứ ừ ử ữ ự ơ ớ ờ ở ỡ ợ
+.L05 o ó ò ỏ õ ọ ô ố ồ ộ ỗ ổ
 .group b
         b          b
      _) b          _b
@@ -91,20 +92,18 @@ ỵ	ỵ
  
 
 .group c
-        c          g         //k
+        c          k         //k
         c (C       _^_EN
-        c (_       kh
-     _) ch         tS;       // try [tS;] [tS] [c] c     
+        c (_       c
+     _) ch         tS       // try [tS;] [tS] [c] c     
 ?2   _) ch         c
 ?1   _) ch         c         
         ch (_      c         
         ce (_      _^_EN
      _) cl         _^_EN
-        
+	    // c (L05			kh
+    		
  
-        
- 
-        
  
 
 .group d
@@ -267,8 +266,8 @@ ỵ	ỵ
 
 .group q
         q          k
-        q (_       kh
-        qu         w         //kw
+        q (_       k
+        qu         kw         //kw
         
  
         
@@ -286,7 +285,7 @@ ỵ	ỵ
  
 
 .group s
-        s          s.        // try [s.] [s] [S]
+        s          s       // try [s.] [s] [S]
         
  
      _) sh         _^_EN
@@ -390,7 +389,7 @@ ỵ	ỵ
         a (L01     _^_EN
         ai (L02    _^_EN
         a (@       _^_EN
-        
+        a (L03     a
  
 
 .group à
@@ -470,7 +469,7 @@ ỵ	ỵ
 
 .group ắ
         ắ          a3
-        
+        ắk          a3c
  
         
  
@@ -777,7 +776,7 @@ ỵ	ỵ
         oả         o@4
         oã         o@5
         oạ         o@6
-        oo         o@
+        oo         O
         oi         OI
         oì         OI2
         oí         OI3
@@ -799,6 +798,7 @@ ỵ	ỵ
         oẳ         o@4
         oẵ         o@5
         oặ         o@6
+		oc		   O#k
 
 .group ò
         ò          O2
@@ -819,7 +819,7 @@ ỵ	ỵ
         óa         o@3       //ó (A       w3
         óng        O#3
         óe         o&3
-        
+        óc		   O#3k
  
         
  
@@ -858,7 +858,7 @@ ỵ	ỵ
         ọa         o@6       //ọ (A       w6
         ọng        O#6
         ọe         o&6
-        
+        ọc		   O#6k
  
         
  
@@ -994,7 +994,7 @@ ỵ	ỵ
 
 .group u
         u          u
-        u (A       w
+        u (A       u
      A) u          w
         ui         uI
         uì         uI2
@@ -1030,7 +1030,8 @@ ỵ	ỵ
 
 .group ù
         ù          u2
-        ù (A       w2
+        ù (A       u2
+		ùy         ui2
         ùi         uI2
         ùa         u@2
 		//ùng        u#2
@@ -1042,7 +1043,8 @@ ỵ	ỵ
 
 .group ú
         ú          u3
-        ú (A       w3
+        ú (A       u3
+		úy		   ui3
         úi         uI3
         úa         u@3
 		//úng        u#3
@@ -1054,7 +1056,8 @@ ỵ	ỵ
 
 .group ủ
         ủ          u4
-        ủ (A       w4
+        ủ (A       u4
+		ủy  	   ui4
         ủi         uI4
         ủa         u@4
 		//ủng        u#4
@@ -1066,7 +1069,8 @@ ỵ	ỵ
 
 .group ũ
         ũ          u5
-        ũ (A       w5
+        ũ (A       u5
+		ũy         ui5
         ũi         uI5
         ũa         u@5
 		//ũng        u#5
@@ -1078,7 +1082,8 @@ ỵ	ỵ
 
 .group ụ
         ụ          u6
-        ụ (A       w6
+        ụ (A       u6
+		ụy         ui6
         ụi         uI6
         ụa         u@6
 		//ụng        u#6
@@ -1317,8 +1322,8 @@ ỵ	ỵ
  
 
 .group
-        %          f'@2n||cr'am
-        !          _:c'@3m_|t'a:7n_:
+        %          f'@2n||tS'am
+        !          _:tS'@3m_|t'a:7n_:
         ! (\!      
 //            :            koUl@n
     D_) h (_DD_    D'@:2     // omit colon in time, eg: 2:30
@@ -1330,12 +1335,12 @@ ỵ	ỵ
  
         
  
-    __) - (_D      cr'y2
+    __) - (_D      tS'y2
     A_) - (_D      _
     C_) - (_D      _
         
  
-        .          c'@3m_
+        .          tS'@3m_
         . (.       _:
     \.) .          
         
diff --git a/espeak-ng-data/lang/aav/vi b/espeak-ng-data/lang/aav/vi
index 2ab8767c..c988a8e7 100644
--- a/espeak-ng-data/lang/aav/vi
+++ b/espeak-ng-data/lang/aav/vi
@@ -2,4 +2,4 @@ name Vietnamese (Northern)
 language vi
 
 words 1
-pitch 80 118
+pitch 100 180
diff --git a/phsource/envelopes.png b/phsource/envelopes.png
index 5876f8bc..20de5bce 100644
Binary files a/phsource/envelopes.png and b/phsource/envelopes.png differ
diff --git a/phsource/n/nm b/phsource/n/nm
new file mode 100644
index 00000000..a66f7a6b
Binary files /dev/null and b/phsource/n/nm differ
diff --git a/phsource/ph_vietnam b/phsource/ph_vietnam
index f0d2552a..0fcfd755 100644
--- a/phsource/ph_vietnam
+++ b/phsource/ph_vietnam
@@ -6,44 +6,44 @@
 
 phoneme 1   //  ngang tone: level
   stress
-  Tone(34,36, envelope/p_level, NULL) // 28 29
+  Tone(30, 28, envelope/p_level, NULL) // 28 29
 endphoneme
 
 
 phoneme 2   //  huyền tone: low falling
   stress
-  Tone(30, 8, envelope/p_fall, NULL) //20 8
+  Tone(20, 8, envelope/p_fall, NULL) //20 8
 endphoneme
 
 
 phoneme 3   //  sắc Tone(rising
   stress
-  Tone(30, 60, envelope/p_rise, NULL) // 30 60
+  Tone(30, 55, envelope/p_rise, NULL) // 30 60
 endphoneme
 
 
 phoneme 4   //  hỏi Tone(curve (dipping rising)
   stress
-  Tone(10, 55, envelope/p_fallrise, NULL) //33 31
+  Tone(10, 31, envelope/p_fallrise, NULL) //33 31
 endphoneme
 
 
 phoneme 5   //  ngã tone: broken (creaking rising)
   stress
-  Tone(28,58,envelope/p_214, envelope/vi_5amp) // 28,58 20 80
+  Tone(34, 60,envelope/p_214, envelope/vi_5amp) // 28,58 20 80
 endphoneme
 
 
 phoneme 6   //  nặng Tone(drop  (constricted)
   stress
   //length 150 // ignore because it make too short sound 75  // reduce the length of the vowel
-  Tone(25, 60, envelope/p_512, envelope/vi_6amp) //40 20
+  Tone(34, 10, envelope/p_512, envelope/vi_6amp) //40 20
 endphoneme
 
 
 phoneme 7   //  Tone(1 (ngang) at end of clause
   stress
-  Tone(40,  35, envelope/p_fall, NULL) //40 20
+  Tone(30,  28, envelope/p_fall, NULL) //40 20
 endphoneme
 
 
@@ -54,31 +54,54 @@ endphoneme
 
 phoneme a
   vwl starttype #@ endtype #@
-  	length 140
-	  FMT(vowel/a_4)  //a_4)
+  	IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 180
+	ENDIF
+	IF nextPh(N) OR nextPh(c) THEN
+	FMT(vnasal/a_n)
+	ELSE
+	//FMT(vietnam/a)  //a_4)
+	FMT(vietnam/a_x)
+	ENDIF
 endphoneme
 
 phoneme a:
   vwl starttype #a endtype #a
-  IF nextPh(n^) OR nextPh(c) THEN
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd)THEN
+	length 240
+	ELIF nextPh(n^) OR nextPh(c) THEN
   length 100
+  ELIF nextPh(N) THEN
+  length 200
   ELSE
-  length 140 //280
+  length 180 //200
   ENDIF
-    FMT(vowel/a_8)
+    // FMT(vowel/a_8)
+	FMT(vietnam/a_2)
 endphoneme
 
 
 phoneme E
   vwl starttype #e endtype #e
-  length 140
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 180
+	ENDIF
   FMT(vowel/e_e)   //ee_3)
 endphoneme
 
 phoneme e
   vwl starttype #e endtype #e
-  length 140
-  FMT(vowel/e)
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 180
+	ENDIF
+//  FMT(vowel/e)
+	FMT(vietnam/e)
 endphoneme
 
 
@@ -88,11 +111,14 @@ phoneme i
   IF prevPhW(w) THEN
     VowelStart(w/wi)
   ENDIF
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+  ENDIF
   IF nextPh(n^) OR nextPh(c) THEN
   length 100
   FMT(vnasal/ii_n)
   ELSE
-  length 140
+  length 180
 FMT(vowel/i_4)
 ENDIF
 endphoneme
@@ -102,18 +128,34 @@ phoneme O
   vwl starttype #o endtype #o
     IF nextPh(kh) OR nextPh(N) THEN 
 	length 80
+	ELIF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
 	ELSE
-	length 140
+	length 180
 	ENDIF
     FMT(vdiph2/o_oo) //vowel/oo)
 endphoneme
 
+phoneme O+
+  vwl starttype #o endtype #o
+    IF nextPh(kh) OR nextPh(N) THEN 
+	length 80
+	ELIF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 180
+	ENDIF
+    FMT(vowel/o) //vowel/oo)
+endphoneme
+
 phoneme o
   vwl starttype #o endtype #o
   IF nextPh(kh) OR nextPh(N) THEN
 	length 110
+	ELIF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
 	ELSE
-	length 140
+	length 180
 	ENDIF
   FMT(vowel/o)  // o_2)
 endphoneme
@@ -123,8 +165,10 @@ phoneme u
   vwl starttype #u endtype #u
   IF nextPh(kh) OR nextPh(N) THEN // hear as ung sound
 	length 120
+	ELIF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
 	ELSE
-	length 140
+	length 180
 	ENDIF
   FMT(vnasal/u_n,60) //vowel/u_5)
 endphoneme
@@ -133,6 +177,8 @@ phoneme y
   vwl starttype #u endtype #u
   IF nextPh(kh) OR nextPh(N) THEN
 	length 120
+	ELIF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
 	ELSE
 	length 180
 	ENDIF
@@ -145,16 +191,23 @@ phoneme @
   vwl  starttype #@  endtype #a
  IF nextPh(kh) OR nextPh(N) OR nextPh(n^) OR nextPh(c) THEN
 	length 120
+	ELIF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
 	ELSE
-	length 140
+	length 180
 	ENDIF
-  FMT(vowel/V)   //vowel/@_2)
+  // FMT(vowel/V)   //vowel/@_2)
+  FMT(vietnam/V)
 endphoneme
 
 
 phoneme @:
   vwl  starttype #@  endtype #@
-  length 140
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 180
+	ENDIF
   FMT(vowel/@_2)
 endphoneme
 
@@ -165,69 +218,81 @@ endphoneme
 
 phoneme aI
   vwl starttype #a endtype #i
-  length 140 //250
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vdiph/&i_2)
 endphoneme
 
 
 phoneme a:I
   vwl starttype #a endtype #i
-  length 200  //250
+  length 240  //250
   FMT(vdiph/ai)
 endphoneme
 
 
 phoneme @I
   vwl starttype #@ endtype #i
-  length 200 //250
+  length 240 //250
   FMT(vdiph/@i)
 endphoneme
 
 
 phoneme @:I
   vwl starttype #@ endtype #i
-  length 200 //250
+  length 240 //250
   FMT(vdiph/y#i)
 endphoneme
 
 
 phoneme eI
   vwl starttype #e endtype #i
-  length 140
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vdiph/ei)
 endphoneme
 
 
 phoneme EI
   vwl starttype #e endtype #i
-  length 140
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vdiph/eei)
 endphoneme
 
 
 phoneme OI
   vwl starttype #o endtype #i
-  length 200
+  length 240
   FMT(vdiph/ooi_4)
 endphoneme
 
 
 phoneme oI
   vwl starttype #o endtype #i
-  length 200
+  length 240
   FMT(vdiph/oi)
 endphoneme
 
 
 phoneme uI
   vwl starttype #u endtype #i
-  length 200
+  length 240
   FMT(vdiph/ui)
 endphoneme
 
 phoneme yI
   vwl starttype #u endtype #i
-  length 200
+  length 240
   FMT(vdiph/u-i)
 endphoneme
 
@@ -236,46 +301,74 @@ endphoneme
 
 phoneme aU
   vwl starttype #a endtype #u
-  length 150
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vdiph/aau_4)
 endphoneme
 
 
 phoneme a:U
   vwl starttype #a endtype #u
-  length 150 //270
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vdiph/au)
 endphoneme
 
 
 phoneme eU
   vwl starttype #e endtype #u
-  length 150
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vdiph/eu)
 endphoneme
 
 
 phoneme EU
   vwl starttype #e endtype #u
-  length 150
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vdiph/eeu)
 endphoneme
 
 phoneme iU
   vwl starttype #i endtype #u
-  length 140
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vdiph2/iu)
 endphoneme
 
 phoneme @U
   vwl  starttype #@  endtype #u
-  length 140
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vdiph/@u_3)
 endphoneme
 
 phoneme @:U
   vwl  starttype #@  endtype #u
-  length 140
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vdiph/@u)
 endphoneme
 
@@ -283,19 +376,31 @@ endphoneme
 
 phoneme i@
   vwl  starttype #i  endtype #@
-  length 140
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vdiph2/ii@_3)
 endphoneme
 
 phoneme y@
   vwl  starttype #i  endtype #@
-  length 140
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vdiph2/y-y#)
 endphoneme
 
 phoneme u@
   vwl  starttype #u  endtype #@
-  length 100 //200
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vdiph2/uu@)
 endphoneme
 
@@ -303,38 +408,64 @@ endphoneme
 
 phoneme o# // ông
   vwl  starttype #o  endtype #o
-  length 140
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vnasal/a#u_n)
 endphoneme
 
 phoneme O# // ong
   vwl  starttype #o  endtype #o
-  length 140
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELIF nextPh(k) THEN
+	length 140
+	ELSE
+	length 200
+	ENDIF
   FMT(vnasal/&u_n)
 endphoneme
 
 
 phoneme o@
   vwl  starttype #o endtype #a
-  length 140
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vdiph2/oa)
 endphoneme
 
 phoneme o&
   vwl  starttype #o endtype #o
-  length 140
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vietnam/oe)
 endphoneme
 
 phoneme iE // iê : viết, giệc
   vwl  starttype #i  endtype #e
-  length 140
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vietnam/ie_2)
 endphoneme
 
 phoneme Oi // oai sound
   vwl  starttype #o  endtype #i
-  length 140
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 200
+	ENDIF
   FMT(vdiph/ooi_3)
 endphoneme
 
@@ -342,32 +473,59 @@ endphoneme
 
 phoneme O- // ôi southern sound
   vwl  starttype #o  endtype #i
-  length 150
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 180
+	ENDIF
   FMT(vnasal/oi_n)
 endphoneme
 
 phoneme @- // ơi southern sound
   vwl  starttype #o  endtype #i
-  length 150
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 180
+	ENDIF
   FMT(vdiph/@i_3)
 endphoneme
 
 phoneme u- // u southern sound
   vwl  starttype #u  endtype #u
-  length 150
+  IF thisPh(isFirstVowel) AND thisPh(isFinalVowel) AND thisPh(isWordEnd) THEN
+	length 240
+	ELSE
+	length 180
+	ENDIF
   FMT(vowel/u_3,70)
 endphoneme
 
-
-
 phoneme kh
   vls vel frc
   lengthmod 3
   Vowelin f1=0  f2=2300 200 400  f3=200 80 len=30
   Vowelout f1=0 f2=2300 300 400  f3=200 80  rms=20
-    WAV(vietnam/_c,5)  //ufric/x, 50)
+    WAV(ustop/k_unasp)  //ufric/x, 50)
 endphoneme
 
+phoneme k
+  vls vel frc
+  lengthmod 3
+  Vowelin f1=0  f2=2300 200 400  f3=200 80 len=30
+  Vowelout f1=0 f2=2300 300 400  f3=200 80  rms=20
+    WAV(ustop/c)
+endphoneme
+
+phoneme N // si**ng** 
+  vcd lbv nas
+  Vowelout f1=3 f2=2300 300 400  f3=-200 80  len=40 rms=20 brk
+  lengthmod 12            // longer than 'n'
+  IF prevPhW(isVowel) AND prev2PhW(isVowel) THEN
+	length 160
+  ENDIF
+  FMT(n/nm)
+endphoneme
 
 phoneme l
   liquid
@@ -405,6 +563,7 @@ phoneme d_
   vcd alv stp
     //	lengthmod 5
 	ipa ɗ
+	length 50
  Vowelin f1=1  f2=1700 -300 300  f3=-100 80 len=15
   Vowelout f1=2 f2=1700 -300 300  f3=-100 80 brk len=30
 WAV(vietnam/dd)
@@ -433,15 +592,6 @@ phoneme p
   
 endphoneme
 
-phoneme n
-  vcd alv nas
-  Vowelin  f1=0  f2=1000 -50 -100  f3=-200 80 amp=11 brk len=15
-  Vowelout f1=2 f2=1700 -300 250  f3=-100 80  rms=20 brk len=15
-    lengthmod 4
-	length 75
-FMT(n/nr_)
-endphoneme
-
 phoneme t[        // dental variant of /t/
   vls dnt stp
   voicingswitch d[
diff --git a/phsource/vietnam/V b/phsource/vietnam/V
new file mode 100644
index 00000000..e5a4e435
Binary files /dev/null and b/phsource/vietnam/V differ
diff --git a/phsource/vietnam/a_2 b/phsource/vietnam/a_2
new file mode 100644
index 00000000..1e68a9db
Binary files /dev/null and b/phsource/vietnam/a_2 differ
diff --git a/phsource/vietnam/a_x b/phsource/vietnam/a_x
new file mode 100644
index 00000000..ceb43126
Binary files /dev/null and b/phsource/vietnam/a_x differ
diff --git a/phsource/vietnam/e b/phsource/vietnam/e
new file mode 100644
index 00000000..585266a7
Binary files /dev/null and b/phsource/vietnam/e differ
diff --git a/tests/language-phonemes.test b/tests/language-phonemes.test
index 50e0d4b7..43f6f80e 100755
--- a/tests/language-phonemes.test
+++ b/tests/language-phonemes.test
@@ -82,7 +82,7 @@ test_lang hyw 72f392c05e74e2fce620b9e1b0dc440481f597e3 "ma na Na pa p#a ba ta t#
 test_lang ia 1be09d2d915404d00aacb7895edeed5ff947345a "ma na pa ba ta da ka ga tsa tSa dZa fa va sa za Sa ha ja wa la Ra _:_ ma me mo mi mu maI maU meI meU moI"
 test_lang id 75a57a020af2b62e3448792d3f6a945a9b2c6b75 "ma na n^a Na pa ba ta da ka ga ?a tSa dZa fa va Ta Da sa za Sa xa Qa ha ja wa la Ra R2a _:_ ma mE mO m@ me mo mi mu maI meI mOI maU m@U"
 test_lang is b27c88c4b4e47d80a80e690f3dfc2026821f39dd "m#a ma n#a na n^#a n^a N#a Na pa ta ca ka fa va Ta Da sa Ca J^a xa Qa ha l#a la tl#a r#a ra _:_ mi mi: mI mI: mE mE: ma ma: mO mO: mu mu: my my: mW mW: maI maI: meI meI: maU maU: moU moU: mYy mOI myI"
-test_lang it 8780284c48a97327b120f554adb3c2dd5ffbc283 "ma na n^a pa ba ta da ka ga tsa dza tSa dZa fa va sa za Sa ja wa la l^a Ra *a ssa k~a tS~a dZ~a g~a Q~a S~a _:_ ma ma/ me me/ mE mi mi/ mi# mI mo mo/ mO mu mU maU maI moI"
+test_lang it e2a438778434f699d9be469c4f9ea1576ec4fd03 "ma na n^a pa ba ta da ka ga tsa dza tSa dZa fa va sa za Sa ja wa la l^a Ra *a ssa k~a tS~a dZ~a g~a Q~a S~a _:_ ma ma/ me me/ mE mi mi/ mi# mI mo mo/ mO mu mU maU maI moI"
 test_lang ja 602ba8d6db3e45b0966f72d6404eadb0e0837930 "ma na n^a Na N\\a pa ba ta da ka ga t_sa d_za t_s\\a d_z\\a p\\a sa za s\\a z\\a Ca ha r\`a ja wa _:_ mi mu me mo ma mi~ mu~"
 test_lang jbo 77a00420ef9c1b40f87800f5ffee921e68a48a32 "ma na Na pa ba ta da ka ga ?a fa va xa ha tSa dZa sa za Sa Za wa ja la Ra n-a r-a l-a _:_ ma me mi mo mu m@ maI maU meI moI"
 test_lang ka 74a6f31909bdc9470e203a658614b6d2c961d7c3 "ma na p#a pa ba t#a ta da k#a ka ga qa ?a ts#a tsa tSa dza dZa va sa za Sa Za ca xa qa Qa ha ra la _:_ ma me mi mo mu m@ mo:"
diff --git a/tests/language-pronunciation.test b/tests/language-pronunciation.test
index d0f8977c..bef75ee4 100755
--- a/tests/language-pronunciation.test
+++ b/tests/language-pronunciation.test
@@ -111,7 +111,7 @@ test_phonemes tn "Latn" "B'aTU B'oKl B'a ts'i:tswl B'a g,olUl,os-'igill_:_: ll g
 test_phonemes tr "Latn" "piZ'amaL@ hast'a j'a:@z SofW*'E tSabudZ'ak Jyv&nd'I\nSISlid'E byj'Yk tS'Wp j@:@nLa*'@" "Pijamalı hasta yağız şoföre çabucak güvendi. Şişli’de büyük çöp yığınları."
 test_phonemes tt "Cyrl" "b0rL'Vq keSel'&r d'& 0z'0t h'&m 'yz 0brujLAr'V h'&m xoquqLAr'V jAGVnn'An t'iN bup'Vp tuAp'Ar\n0L0rG'A 0q'VL h'&m wWZ;d'An birelQ'&n h'&m b'&rb&rsen'& q0r0t'A tuGAnnArS;'A mWnAs&b&tt'& buLVrG'A tieSl'&r" "Барлык кешеләр дә азат һәм үз абруйлары һәм хокуклары ягыннан тиң бупып туапар. Аларга акыл һәм вөҗдан бирелгән һәм бәр-бәрсенә карата туганнарча мөнасәбәттә булырга тиешләр."
 test_phonemes ur "Arab" "t.#'Vnd. m'e~\n'e:k q'VH@t z'Vda ga:'o:n se: g'Vz@Rte: v'aqt 'e:k c'Vr.@cr.e:\nb'a:s@R 'o: f'a:RIQ S'axs. k'o: b'a:z J'Vl p'VRi n'Uma: 'aZ@dHe: naz.'aR 'a:e:" "ٹھنڈ میں، ایک قحط زدہ گاؤں سے گذرتے وقت ایک چڑچڑے، باأثر و فارغ شخص کو بعض جل پری نما اژدہے نظر آئے۔"
-test_phonemes vi "Latn" "t['@3t[_| g'a:4_| m,OI6_| N'y@2j_| s.'i1n^_| z'a:1_| d_'eU2_| d_,y@6kh_| t['y6_| z'O1_| v,a:2_| _b'i2n^_| d_'a4N_| v'e2_| n^'@1n_| f'@4m_| v,a:2_| w'i@2n_| l'@:I6_|\nm,OI6_| g,O1n_| N'y@2j_| d_'eU2_| d_,y@6kh_| t['a:U6_| h'o@3_| _b'a:1n_| tS;,O1_| l'i3_| tS'i3_| v,a:2_| l'y@1N_| t['@1m_| v,a:2_| g'@2n_| f,a:I4_| d_'oI3_| s'y4_| v,@:I3_| n^'aU1_| tS'O#1_| t['i2n^_| 'a:1n^_| 'E7m_|" "Tất cả mọi người sinh ra đều được tự do và bình đẳng về nhân phẩm và quyền lợi. Mọi con người đều được tạo hóa ban cho lý trí và lương tâm và cần phải đối xử với nhau trong tình anh em."
+test_phonemes vi "Latn" "t['@3t[_| k'a:4_| m,OI6_| N'y@2j_| s'i1n^_| z'a:1_| d_'eU2_| d_,y@6c_| t['y6_| z'O1_| v,a:2_| _b'i2n^_| d_'a4N_| v'e2_| n^'@1n_| f'@4m_| v,a:2_| kw'i@2n_| l'@:I6_|\nm,OI6_| k,O1n_| N'y@2j_| d_'eU2_| d_,y@6c_| t['a:U6_| h'o@3_| _b'a:1n_| tS,O1_| l'i3_| tS'i3_| v,a:2_| l'y@1N_| t['@1m_| v,a:2_| k'@2n_| f,a:I4_| d_'oI3_| s'y4_| v,@:I3_| n^'aU1_| tS'O#1_| t['i2n^_| 'a1n^_| 'E7m_|" "Tất cả mọi người sinh ra đều được tự do và bình đẳng về nhân phẩm và quyền lợi. Mọi con người đều được tạo hóa ban cho lý trí và lương tâm và cần phải đối xử với nhau trong tình anh em."
 
 ##### Fallback to other languages in different scripts (language switch).