I like
Lea but I'd pronounce it LAY-uh, like
Princess Leia! Also, I know some people say "
LEE" for
Lea. For LEE-uh, would go with the spelling
Leah, because there is only one pronounciation of
Leah.
Lana is OK. I acutually think it's better than Lea/Leah as it's more timeless.