i-no iiii iiio iino iioi iioo iiop inni inno innr inny ino- inoi inon inor inoz 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 izon izzo izzy n-ii niip niir nini nino nion nioo nipr niro niyi nizy nnnn nnpi nnpr noin noio noir non- noni nonn nono noo- noon nooo noop noor nor- nori norn noro norr nory noyo noyz nozi npin npri nron nrpn nyny nyon nyro nzpi nzpp oiii oion oiry onir onni onno onon onor onoy onoz onzo onzy oooo oory oozi oozy opii opin opio opo- opon opor oppi oppo oppy opry ori- orin orio orni orno orny oro- oron oror oroy oroz orpi orri orro orry orzo oyon oyri ozon ozzy piip pini pinn pino pinp piny pion pioz pipi pipo pipp pipy piri pirn piro pirr piry piyo pizy pnin pnon pnpo pnpp pnro poin poio poni pono ponp pony poon poop poor pop- popi popo popp popy pori porn poro porr pory porz poyn poyo poyr pozo pppn pppo pppp pri- prii prin prnp pro- pron proo prop proz prri pyin pyn- pyo- pyon pypy pyr- pyri pyro pyry pyzy riin rinn rino riny rion rioz ripi ripp ripr riri riyo rizi rizz rnin roin roio roir roiz roni rono rony rooi roon roop roor rooz ropo ropy rori roro rory royn rozi rozz rpii rpon rppn rrrr ryip rynn ryon rzip yinz yirn yirr ynon yoni yono yoon yoop yooz yopo yopy yori yorn yoro yory yoyn yoyo yozo ypir yrin yron yryn yyyy z-ro ziip zinn zino zion zipp ziri ziro zirp ziyi zizi zizz zoio zon- zoni zony zoo- zoon zoop zopy zori zorn zoro zory zozo zrin zypp zyyi zzzz