I like short and simple names, too. I think they have more personality.
Out of your list, these are my favorites:
UmaSaraOonaOlgaNoraNinaMinaMilaMayaLisaLenaEvaEiraClaraAnyaAna
If I had to choose just one, I'd go with...Nina. I think it's sweet, sexy, slightly dangerous, sophisticated, it has everything.
Some other suggestions:
FayPearlMargotFrancesJaneJoanJuneIrisIvyVioletKate/Cate
QuinnRuthRoseRaeEllenMay/Mae
Willa