I prefer
Asa on a girl (as in the Swedish name). It's off-beat and spunky. On a boy (as in the Hebrew name) it is fine, has a slightly musty old-man vibe though imo.
Asa SolveigAsa Evanthe
Asa EleriAsa GwendolenAsa MaialenAsa ReganAsa Romilly
Asa Benjamin