o

Bopomofo bu hao = Bopomofo sucks.

ou

Doufu bu gou = There is not enough Tofu.

ong

Ni dong bu dong = Do you understand?[/tab]

Bopomofo and “o”. The letter o occurs in ong, and ou, but o only occurs alone after b, p, m, and f, and only in the combinations bo, po, mo, fo. Bopomofo is an informal name for the Chinese phonetic alphabet, because it starts with “bo po mo fo.” Although “bopomofo” is still taught to many people of Taiwanese descent, bopomofo is beginning to be totally phased out by pinyin

Ni dong bu dong?

o