Of your list I like:
Posy Martha: my favorite of your combos.
Posy Regina: to me it combines sweet and regal
Posy Maria: 2nd favorite, it flows really well
Posy Jessica: it's a bit sweet and a bit tough
Posy Eliza: lovely
Posy Ramona:
Ramona reminds me of
Ramona Quimby but it sounds really good with
Posy