Marjorie, Sylvia, Elliot, and?

Any idea on how to complete this sibset: [name]Marjorie[/name], [name]Sylvia[/name], [name]Elliot[/name], and Girl’s Name.
I am looking for another three syllable name (surname is two syllables and begins with an S) that does not share a first initial with any of her siblings’ names. Also, What I love about the sets’ names now is that each child’s name ends with a different sound. Ideally, I would not want to end the newest one’s name with an e,a, or t sound. Vowel variations of e and a would be fine though. Also, I’d love the sets’ nicknames to coincide as well: [name]Madge[/name], [name]Sylvie[/name], and [name]Eli[/name]- all of the ending sounds are different here too.

I am stumped! I’ve run through several names and just can’t land on the perfect one!

[name]Marjorie[/name], [name]Sylvia[/name], [name]Elliot[/name] and sister…

[name]Amabel[/name]/[name]Annabel[/name]/Annabeth
[name]Rosalind[/name]/[name]Rosamund[/name]
[name]Lillian[/name]
[name]Genevieve[/name]
[name]Vivian[/name]
[name]Isabel[/name]/[name]Isobel[/name]
[name]Caroline[/name]/[name]Carolyn[/name]
[name]Winifred[/name]
[name]Beatrice[/name]/[name]Beatrix[/name]
[name]Bernadette[/name]
[name]Geraldine[/name]
[name]Adelaide[/name]/[name]Adeline[/name]
[name]Abigail[/name]
[name]Juliet[/name]
[name]Leontine[/name]
[name]Muriel[/name]
[name]Christabel[/name]
[name]Josephine[/name]
[name]Dolores[/name]
[name]Averil[/name]
[name]Gwendolyn[/name]
[name]Clementine[/name]

The repeats are ones that I second! [name]Marjorie[/name] ([name]Madge[/name]), [name]Sylvia[/name] ([name]Sylvie[/name]), [name]Elliot[/name] ([name]Eli[/name]) and…

[name]Laurel[/name] or [name]Lorelai[/name] ([name]Laure[/name] or [name]Lore[/name])
[name]Adeline[/name] ([name]Ada[/name])
[name]Adrienne[/name] ([name]Wren[/name])
[name]Rosalind[/name] ([name]Rosa[/name] or [name]Linda[/name])
[name]Bronwyn[/name] ([name]Wyn[/name])
[name]Tamsin[/name] ([name]Sina[/name])
[name]Imogen[/name] ([name]Gen[/name], [name]Genna[/name], Minnow if you don’t mind the M)
[name]Florence[/name] ([name]Flora[/name])
[name]Alice[/name] (Liss)
[name]Gwendolyn[/name] ([name]Gwen[/name])
[name]Therese[/name] ([name]Tess[/name], [name]Reese[/name])
[name]Hazel[/name] ([name]Zel[/name])
[name]Louise[/name] ([name]Lulu[/name], [name]Lola[/name]) - [name]Love[/name] this!
[name]Helen[/name] ([name]Lena[/name])
[name]Agnes[/name] (Ness)
[name]Frances[/name] ([name]Faye[/name])
[name]Olive[/name] ([name]Liv[/name])
[name]Anneliese[/name] or [name]Annabelle[/name] ([name]Anne[/name], [name]Liese[/name], or [name]Belle[/name])
[name]Camille[/name] ([name]Cam[/name], [name]Milla[/name])
[name]Lucille[/name] ([name]Luce[/name])

[name]Marjorie[/name], [name]Sylvia[/name], [name]Elliot[/name] and sister…

[name]Coraline[/name] - nn [name]Coral[/name] / [name]Cora[/name]
[name]Jocelyn[/name] - nn [name]Joyce[/name]
[name]Lavender[/name]
[name]Arianne[/name]
[name]Gabrielle[/name]

By the way love [name]Josephine[/name] from above list

Good luck!