Would you be open to [name_f]Natalia[/name_f]? It seems a little more versatile, to me, and works a little easier with your favorites for me:
Io [name_f]Natalia[/name_f]
[name_f]Vesper[/name_f] [name_f]Natalia[/name_f]
[name_f]Odette[/name_f] [name_f]Natalia[/name_f]
[name_f]Agnes[/name_f] [name_f]Natalia[/name_f]
[name_f]Rosemary[/name_f] [name_f]Natalia[/name_f]
[name_f]Xanthe[/name_f] [name_f]Natalia[/name_f]
[name_f]Peridot[/name_f] [name_f]Natalia[/name_f]
[name_f]Leonie[/name_f] [name_f]Natalia[/name_f]
Still, I do think these could be really lovely:
[name_m]Ziggy[/name_m] [name_f]Natasha[/name_f]
[name_f]Maxine[/name_f] [name_f]Natasha[/name_f]
[name_f]Mabel[/name_f] [name_f]Natasha[/name_f]
[name_f]Sybil[/name_f] [name_f]Natasha[/name_f]
[name_f]Phoebe[/name_f] [name_f]Natasha[/name_f]
[name_f]Margot[/name_f] [name_f]Natasha[/name_f]
[name_f]Beatrix[/name_f] [name_f]Tasha[/name_f]
[name_f]Rosemary[/name_f] [name_f]Tasha[/name_f]
[name_f]Marceline[/name_f] [name_f]Tasha[/name_f]
I also love the suggestion of [name_f]Cleo[/name_f] [name_f]Natasha[/name_f]! Good luck!