Huh

呢

ne

(to reinforce a question)

呢

ne

(tag question)

哼

hēng

(to express amusement or subtle surprise)

啊

à, a

(to reinforce a question)

啊

à

("I know, huh" what huh)

嗎 /吗

ma

(tag question)

嗯

ēn

(to express amusement or subtle surprise)

嘛

ma

(tag question)

嘿

hēi

(expressing doubt or confusion)

蛤

há

(expressing doubt or confusion)