Leah is pronounced Lee-a
Lea: Is pronounced
Lee because the a is long or whatever.
Lia: Is a nice varation but might be confused with lie-a
Leigha: is pronounced Lay-a
So
Leah is best.
Alannah is the clearest spelling But I like
Alana too!
Rebekka is the coolest way to spell this.
Rebekah will be miss spelled a lot. And
Rebecca is common.