Agu

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

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	gu
Closest English pronunciation	/gu:/
Hint	As in English "goo".
Chinese Pinyin	gū gú gǔ gù
Common characters in names	古 故 固 谷 顾