bbbb bbin bboy bbyo bibb bibi bibo biin bin- bini binn bino biny bio- bioi bion bnib bnin bobb bobi bobo boby boi- boii boin boni bonn bono bony boob boon boyi boyn boyo byno byob byoi byon i-by i-no ibon ibyi iiii iiio iino iioi iioo inbo inby inni inno inny ino- inoi inon inyo iobi ioby ioii ioio ioni ionn iono iooi iooo n-ii nbbo nboy nibi nibo nini nino nion nioo niyi nnnn nobi nobo noib noin noio non- noni nonn nono noo- noob noon nooo noyo nyny nyon obbo obby obin oboi obon oboy oiii oion onby onni onno onon onoy oobi ooby oooo oyon ynon yobi yobo yoni yono yoon yoyn yoyo yyyy