I have a couple...
in reply to a message by Polly
Anna
Stasia
Tasia
Stacy
Ann
Anasy
Astasia
Aisa
Annie
Ansa
Anya
Anata
Stace
Stasie
Stase
Stacia
Astacia
Anaja (from Annastaja)
Nasia
Atasa
Stasia
Tasia
Stacy
Ann
Anasy
Astasia
Aisa
Annie
Ansa
Anya
Anata
Stace
Stasie
Stase
Stacia
Astacia
Anaja (from Annastaja)
Nasia
Atasa