English (United States) symbols

The service supports the following symbols for United States (US) English.

Regular vowels

Table 1. Regular vowels (US English)
SPR symbol	IPA symbol	IPA Unicode	Example words
a	a aː ɑ ɑː ɐ	0061 0061+02D0 0251 0251+02D0 0250	father, lot
A	æ	00E6	back, had
e	e eɪ	0065 0065+026A	cake, pain
E	ɛ	025B	hedge, let
i	i iː	0069 0069+02D0	see, speak, believe
I	ɪ	026A	pick, ill
o	o oʊ	006F 006F+028A	both, oak
c	ɔ ɔː ɒ	0254 0254+02D0 0252	law, cough
u	u uː	0075 0075+02D0	zoo, truth
U	ʊ ɯ	028A 026F	took, put
H	ʌ	028C	but, mug, son
R	ə˞ ɚ ɜː ɝ	0259+02DE 025A 025C+02D0 025D	butter, hurt

Table 2. Diphthongs (US English)
SPR symbol	IPA symbol	IPA Unicode	Example words
O	ɔɪ	0254+026A	toil, boy
W	aʊ	0061+028A	out, cow
Y	aɪ	0061+026A	life, fine

Table 3. Reduced vowels (US English)
SPR symbol	IPA symbol	IPA Unicode	Example words
x	ə	0259	sofa, alone, suppose, tedious, America
X	ɨ ı	0268 0131	roses, connect, melody, symphony, hinted

Table 4. Consonants (US English)
SPR symbol	IPA symbol	IPA Unicode	Example words
b	b	0062	bad, sob
C	tʃ ʧ	0074+0283 02A7	chip, witch, nature
d	d	0064	dip, had
D	ð	00F0	this, breathe
f	f	0066	field, if, graph
F (flap)	ɾ	027E	writer, fiddle, little
g	g ɡ	0067 0261	good, bug
G	ŋ	014B	sing, finger
h	h ɦ x χ	0068 0266 0078 03C7	hot, hero, challah
J	dʒ ʤ	0064+0292 02A4	Jane, huge
k	k	006B	kill, cat, make, back
l	l	006C	low, hall
m	m	006D	man, hum, summer
M	m̩	006D+0329	hmmm
n	n	006E	never, sun, winner
N (syllabic nasal)	n̩	006E+0329	button, satin, eaten, burden
p	p	0070	pit, rip
r	r ɹ	0072 0279	borrow, rake
s	s	0073	seal, miss, ceiling
S	ʃ	0283	ship, wish
t	t	0074	tip, pet
T	θ	03B8	thing, Beth
v	v	0076	vase, save
w	w ʍ	0077 028D	wear, quick
y	j	006A	yes, Virginia
z	z	007A	zip, phase
Z	ʒ	0292	treasure, garage
? (glottal stop)	ʔ	0294	kitten, Latin