llll lloo llyn loll lolo loly lono lool loon loop lopp loyn lpny lppl lyly lynn lyo- lyon lyyn nnnn noll nolo nolp non- nonn nono noo- nool noon nooo noop noyl noyo nppl nyll nyny nyon nypl ollo olly olon only onno onon onoy oolo oooo opo- opon oppo oppy oyly oyon plon ploo plop ploy plpp pnln pnnl pnon pnpo pnpp poll polo poly pono ponp pony pool poon poop pop- popo popp popy poyn poyo pplo pppn pppo pppp pyl- pyll pyn- pyo- pyon pypy ynol ynon yoll yolo yolp yoly yono yool yoon yoop yopo yopy yoyn yoyo yyyy