Which set sounds better?

As twins... Anna David Lydia David Anna and David both have two syllables, and Lydia and David have the same number of letters, lol... But there is one that sounds better then the other to me, but I'm not going to say which set i like better, until after... Thanks in advance for your opinions show more As twins...

Anna
David

Lydia
David

Anna and David both have two syllables, and Lydia and David have the same number of letters, lol... But there is one that sounds better then the other to me, but I'm not going to say which set i like better, until after...

Thanks in advance for your opinions
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