bbbb bbin bblb bibb bibi bibl bibo biin bili bill bilo bin- bini binn bino bio- bioi biol bion blin blio blni blno blob blon bloo bnib bnin bobb bobi bobo boi- boii boil boin boli boll boln bolo boni bonn bono boob bool boon i-no ibon iiii iiio iino iioi iioo ilin ilio ill- illi illo ilni ilno iloo inbo inni inno ino- inoi inol inon iobi ioii ioio iolo ioni ionn iono iooi iooo libo liii liin lilb lili lill lilo linn lino lio- lion llll lloo lob- lobb lobi lobo loin loli loll lolo loni lono loob lool loon n-ii nbbo nibi nibo nili nill nilo nini ninl nino nion nioo nnnn nobi nobo noib noil noin noio noli noll nolo non- noni nonn nono noo- noob nool noon nooo obbo obin oboi obol obon oiii oion olbo olib olin olio olli ollo olon onil onni onno onon oobi oolo oooo