i-no iiii iiio iino iioi iioo iiop ijji inji inni inno inny ino- inoi inoj inon inp- inpi inpp inyo ioii ioio ioni ionn iono iooi iooo ipin ipop ippo ippy jiji jini jinn jion join joio joji jojo joni jonn jono jony joon jopy joyo jpip jpop n-ii niip niji nini nino nion nioo niyi njoi njoy nnnn nnpi noin noio noji non- noni nonn nono noo- nooj noon nooo noop noyo npin nyny nyon oiii oion ojoy onni onno onon onoy ooij ooji oooo opii opin opio opo- opoj opon oppi oppo oppy oyon piip pini pinn pino pinp piny pion pipi pipo pipp pipy piyo pnin pnon pnpo pnpp poin poio poji pojo poni pono ponp pony poon poop pop- popi popo popp popy poyn poyo pppn pppo pppp pyin pyn- pyo- pyon pypy yiji ynon yoji yoni yono yoon yoop yopo yopy yoyn yoyo yyyy