nnnn nnpr non- nonn nono noo- noon nooo noop noor nor- norn noro norr nory noyo nron nrpn nyny nyon nyro onno onon onor onoy oooo oory opo- opon opor oppo oppy opry orno orny oro- oron oror oroy orro orry oyon pnon pnpo pnpp pnro pono ponp pony poon poop poor pop- popo popp popy porn poro porr pory poyn poyo poyr pppn pppo pppp prnp pro- pron proo prop pyn- pyo- pyon pypy pyr- pyro pyry rono rony roon roop roor ropo ropy roro rory royn rpon rppn rrrr rynn ryon ynon yono yoon yoop yopo yopy yorn yoro yory yoyn yoyo yron yryn yyyy