help with naming baby number three??!!?

i have 2 lil girls with baby numb 3 on the way we don't know the sex yet my oldest name is Samaura Jo n we call her Mauri her name starts with n S bc her dadys name is Shawn n her middle is Jo bc daddy's middle name is joseph my second is Elayna Ann n we call her Layni (my first is Elisabeth n my middle is Ann) if its a girl i like the name Mkenna Sue n call her either Kenli or Kenzi which one do u like best? (the name sue is my mothers middle n my hubby's mom is suzette n the m in mckenna is for our moms) but my hubby isn't a big fan we need help! any suggestions? for a girl it has to end in an a n be able to "shorten' to something that could end in an i. for a boy it just needs to go well with his sisters n no jr we like names that different but not to out their sry this was so long lol thanks for the help:)