I did the obvious ones. Help with the last four? Mio's are feather [something] ears, and I took Nodoka's as dragon ears but "hire" = ? Also not sure how to word sukinamimi in English and have no idea what the first one is.
Sawako looks really nice. The elf ears would have suited Nodoka better.
Ordinary earsBunny earsCat earsFox earsElf earsDog earsPanda earsWing EarsWhatever ears you like
i.e. this is the "miscellaneous" panel for the artistFin ears