I like
Ailis - but prefer
AliceAoifeCaoimhe - but I wouldn't use it because the spelling would be such a problem
CaraMaeveNiamhNorah
DeclanEmmet - but spelled
Emmett, as it just looks more balanced
FinnLiamRiordanRonanRuari - but
Rory is very similar and has a more intuitive spelling, so I would probably use that instead.