mmmm mmor mmxx mmyy momo momy mon- monn mono mony moon moor morn moro mory moxo moxy moyn moyo mron mymy myo- myon myro myrr myry myx- myxo myxy nmon nmrx nnnn nom- nomo nomy non- nonn nono nonx noo- noon nooo noor nor- norm norn noro norr nory noyo nron nyny nyom nyon nyro omn- omo- omon omoo omor omox omro onmy onno onon onor onoy onym onyx oooo oory ormn ormo ormy orno orny oro- orom oron oror oroy orro orry oryx oxo- oxon oxox oxxo oxy- oxyn oyon rmon romm romo romy rono rony room roon roor roox roro rory roxo roxy royn rrrr rynn ryon xoom xorn xoro xoxo xoyo xxxo xxxx xxxy xyr- ynon yomo yono yoon yorn yoro yory yoyn yoyo yron yryn yyyy