Ahu

It is composed of two syllables: "A" and "Hu".

Spelling	a
Closest English pronunciation	/ɑ:/
Hint	As the a in English "art".
Chinese Pinyin	ā á ǎ à
Common characters in names	阿

Spelling	hu
Closest English pronunciation	/hu:/
Hint	As in English "who".
Chinese Pinyin	hū hú hǔ hù
Common characters in names	胡 虎 湖 沪 忽 户 互 狐