Ytri-Helluhólminafnorð karlkyn · ÖrnefniFallbeygingarEt.eintalaFt.fleirtalaEintalaNf.nefnifallYtri-HelluhólmiÞf.þolfallYtri-HelluhólmaÞgf.þágufallYtri-HelluhólmaEf.eignarfallYtri-Helluhólma