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Double vowel practice
Xiaohe
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Q
iu
W
ei
E
e
R
uan
T
ue
ve
Y
un
U
sh
u
I
ch
i
O
o
uo
P
ie
A
a
S
ong
iong
D
ai
F
en
G
eng
H
ang
J
an
K
ing
uai
L
iang
uang
;
Z
ou
X
ia
ua
C
ao
V
zh
ui
v
B
in
N
iao
M
ian
,
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