I always prn. it "SAY-lah", though it's supposed to be "SEE-lah", and my mispronunciation makes me think of "c'est la...". It's okay, but not a favorite. I think I like the H on the end, but I'm not sure. I might change my mind on that. Hmm.
Of the combos you suggested, I like these best:
Selah FrancesSelah MargotSelah Rosalie