The other B names are too similar.
Paisley could work nicely in this sibset.
Kea will always be mispronounced as
Kia.
Avery may work in this sibset.
Jenna is nice. It could work with this sibset.
Ellison and Ellisyn are too strange.
I don't like
Keely.
Briony and
Paisley is my favorite.
Next would be
Briony and
Avery.
Then
Briony and
Jenna.