bbbb bbin bboy bbyo bibb bibi bibo biin bin- bini binn bino biny bio- bioi bion bipp bnib bnin bnpp bobb bobi bobo boby boi- boii boin boni bonn bono bony boob boon boop bopp boyi boyn boyo byno byob byoi byon byop i-by i-no ibon ibyi iiii iiio iino iioi iioo iiop inbo inby inni inno inny ino- inoi inon inp- inpi inpp inyo iobi ioby ioii ioio ioni ionn iono iooi iooo ipin ipop ippo ippy n-ii nbbo nboy nbpp nibi nibo niip nini nino nion nioo niyi nnnn nnpi nobi nobo noib noin noio non- noni nonn nono noo- noob noon nooo noop noyo npin nyny nyon obbo obby obin oboi obon oboy oiii oion onby onni onno onon onoy oobi ooby oooo opii opin opio opo- opon oppi oppo oppy oyon pibb pibi piip pini pinn pino pinp piny piob pion pipi pipo pipp pipy piyo pnin pnon pnpo pnpp pobo poin poio poni pono ponp pony poon poop pop- popi popo popp popy poyn poyo ppib pppn pppo pppp pyin pyn- pyo- pyon pypy ynon yobi yobo yoni yono yoon yoop yopo yopy yoyn yoyo yyyy