I say it a-na-STAY-zha, but I have also heard a more of see-ah at the end. I'd be hard pressed to ever say your particular one & I see
Ana as a nn where I find
Anna to be a bit stretchy.
As for the flow, I find it a bit much with all the as, but that really doesn't bother me. Pronounciation is a big thing with me, one of my favourites
Lila has sort of fallen by the wayside because of the various spellings & pronounciations throughout the world and I see
Lily as a nice & simple alternative without the hassle.
My husband feels very strongly that if you constantly have to correct the spelling & or pronounciation of a name, that its too much of a hassle & a burden to place on a kid. While I'm not as firm on that, I do see his point & think that how much you love a name & your particular pronounciation or spelling should be weighted against that extra work.
Our second wedding anniversary