1. "ez" or "es" ?
Ez
2. "mee" or "may"?
May
3. I think I like es-mee best. is that a legitimate pronunciation?
Yes, its legitimate. I just prefer Ez-May.
4. is
Esme pronounced diferently than
Esmee?
I prounounce them both the same.
5 What do you think of these combos?
My favourite of the ones you've listed is definitely
Esme Sunniva. However, I think I prefer
Esme Soleil which AET mentioned. I really, really, really love
Delilah as a mn for
Esme.
Esme Delilah is my personal favourite
Esme combo.