i-no iiii iiio iino iioi iioo iiop inni inno inny ino- inoi inon inox inp- inpi inpp inyo ioii ioio ioni ionn iono iooi iooo ipin ipix ipop ippo ippy ixxi iynx n-ii niip nini nino nion nioo nixi nixy niyi nnnn nnpi noin noio noix non- noni nonn nono nonx noo- noon nooo noop noyo npin nyny nyon oiii oion onix onni onno onon onoy onyx oooo opii opin opio opo- opon oppi oppo oppy oxi- oxo- oxon oxox oxxo oxy- oxyn oyon piip pini pinn pino pinp piny pion pipi pipo pipp pipy pixo pixx pixy piyo pnin pnon pnpo pnpp pnyx poin poio poix poni pono ponp pony poon poop pop- popi popo popp popy poxy poyn poyo pppn pppo pppp pyin pyn- pyo- pyon pypy xiii xion xixi xoxo xoyo xpin xxii xxix xxxi xxxo xxxx xxxy ynon yoix yoni yono yoon yoop yopo yopy yoyn yoyo yyyy