I like all of these.
Alyssa drops in and out of my top 20 - I don’t think I would use it ultimately but I enjoy it.
Alissa feels unfinished to me but I can see why it would appeal to others.
I adore
Melissa (my childhood best friend was Mellisa but I’m not such a fan of that spelling). Sadly it’s been nixed from the list by my wife!
https://nanowrimo.org/participants/christine-seaforth-finch
http://christineseaforthfinch.blogspot.com/