Very intriguing and pretty. I pronounce it NÉH-vah (or NAY-vah) to make it sound less like the word 'never'.
For MNS I would go for:
Neva Élodie
Neva Eustacie /
EustaciaNeva LynetteNeva Marisol
or something like that. I'm having a major name brain-fart today, excuse the lack of names.