A
10 B nha A,C,D âm /ei/
B
C
A
D
C
A
A
B
B
C
1A
2C
3D
4A
A
C
B
A
A
A
B
B
C
B
D
C
1C
2A
3A
4A
5B
6C
7A
8D
9D
10B
11B
12C