Would This Be Okay for Sisters?

Ellis • Hippie Mama of Bodhi : Bonus-Mama to 4 beautiful little ladies

My boyfriend has 4 daughters and this makes it a little difficult to choose a girl’s name as they’ve already used 8.

One of his girls goes by Belle, so does that mean that all el/ell/elle names are out? No Ella/Eliza/Elise/Eloise?

I’m so bummed... what do you guys think?