ughh, valley is so perfect for you guys 
though some other ideas. . .
[name_f]Magnolia[/name_f]
[name_f]Camellia[/name_f] (maybe a bit too frilly? could by cute with the nn millie?)
[name_f]Posey[/name_f]
[name_f]Solana[/name_f] (Sollie or Lana?? Soooo cute!!)
[name_f]Iris[/name_f]
[name_f]Ilona[/name_f]
[name_f]Celia[/name_f]
[name_f]Soleil[/name_f]
[name_f]Bridget[/name_f] (i have recently seen somebody on instagram with a little bridget “birdie” and i kinda love it for you! bridget “birdie” has siblings paloma “lomie” and rafe)
[name_f]Melody[/name_f]
[name_f]Teodora[/name_f] (teddy?)
Romalie (little bit more of a creative spelling but i think she matches wynn’s name so well! especially with the nickname romie/romy)