SpeechT5/SpeechUT/dataset/LibriSpeech/dict.txt

| 94802
E 51860
T 38431
A 33152
O 31495
N 28855
I 28794
H 27187
S 26071
R 23546
D 18289
L 16308
U 12400
M 10685
W 10317
C 9844
F 9062
G 8924
Y 8226
P 6890
B 6339
V 3936
K 3456
' 1023
X 636
J 598
Q 437
Z 213