i-no iiii iiio iino iioi iioo iiop inni inno innr inny ino- inoi inon inor inp- inpi inpp inri inro inyo ioii ioio ioni ionn iono iooi iooo iori ipin ipop ippo ippr ippy ipri iri- irin irio irip iriy iron irop irri iryn n-ii niip niir nini nino nion nioo nipr niro niyi nnnn nnpi nnpr noin noio noir non- noni nonn nono noo- noon nooo noop noor nor- nori norn noro norr nory noyo npin npri nron nrpn nyny nyon nyro oiii oion oiry onir onni onno onon onor onoy oooo oory opii opin opio opo- opon opor oppi oppo oppy opry ori- orin orio orni orno orny oro- oron oror oroy orpi orri orro orry oyon oyri piip pini pinn pino pinp piny pion pipi pipo pipp pipy piri pirn piro pirr piry piyo pnin pnon pnpo pnpp pnro poin poio poni pono ponp pony poon poop poor pop- popi popo popp popy pori porn poro porr pory poyn poyo poyr pppn pppo pppp pri- prii prin prnp pro- pron proo prop prri pyin pyn- pyo- pyon pypy pyr- pyri pyro pyry riin rinn rino riny rion ripi ripp ripr riri riyo rnin roin roio roir roni rono rony rooi roon roop roor ropo ropy rori roro rory royn rpii rpon rppn rrrr ryip rynn ryon yirn yirr ynon yoni yono yoon yoop yopo yopy yori yorn yoro yory yoyn yoyo ypir yrin yron yryn yyyy