bbbb bbfn bbin bboy bbyo bibb bibi bibo biff bifi biin bin- bini binn bino biny bio- bioi bion bnib bnin bobb bobi bobo boby boff boi- boii boin boni bonn bono bony boob boof boon boyf boyi boyn boyo byno byob byoi byon ffff ffii fiff fifi fifo fiii fini finn fino fion fofo foin fono fony foof foon foyn fyfi fynn i-by i-no ibfi ibon ibyi ifbb ifby iffy ifni ifno ifyo iiii iiio iino iioi iioo inbo inby infi info infy inni inno inny ino- inoi inon inyo iobi ioby ioii ioio ioni ionn iono ioof iooi iooo n-ii nbbo nboy nfff nfib nfon nfyb nibi nibo niff nini nino nion nioo niyi nnnn nobi nobo nofi noib noif noin noio non- noni nonn nono noo- noob noon nooo noyo nyny nyon obbo obby obin oboi obon oboy off- offo offy ofno oiii oion onby onni onno onon onoy oobi ooby ooff oofy oooo oyon yiff ynon yobi yobo yoff yoni yono yoof yoon yoyn yoyo yyff yyyy