Acuan

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

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	cuan
Closest English pronunciation	/tsʊʌn/
Hint	"hats" + "put" + "cup" + "no", or "hats" + "Juan".
Chinese Pinyin	cuān cuán cuǎn cuàn
Common characters in names	(Common in language but rare in names) 窜