bbbb bbin bblb bibb bibi bibl bibo biin bili bill bilo bilu bin- bini binn bino binu bio- bioi biol bion biou blin blio blni blno blob blon bloo blou blub bnib bnin bobb bobi bobo bobu boi- boii boil boin boiu boli boll boln bolo bolu boni bonn bono bonu boob bool boon boul boun bubb bubi bubo bubu buin buiu bulb buli bull bulu bunb buni bunn buno bunu buol buon i-no ibon iiii iiio iino iioi iioo ilin ilio ill- illi illo ilni ilno iloo inbo inni inno innu ino- inoi inol inon inou inui inul inun iobi ioii ioio iolo ioni ionn iono iooi iooo ioun iuiu iuno libo libu liii liin lilb lili lill lilo lilu linn lino lio- lion liun llll lloo lob- lobb lobi lobo loin loiu loli loll lolo loni lono loob lool loon loui loul loun louu luin luli lull lulu luni lunn luno n-ii nbbo nibi nibo niiu nili nill nilo nilu nini ninl nino nion nioo niou nnnn nobi nobo nobu noib noil noin noio noli noll nolo non- noni nonn nono nonu noo- noob nool noon nooo noul noun nubi nubl nuin nuli null nunn nuno nuon obbo obin oblu oboi obol obon oiii oion olbo olib olin olio olli ollo olon onil onni onno onon oobi oolo oooo ouii ouin oulu oun- ouu- ubbi ubbo ubii ubli ublo ubon ulli ullo ulno ulo- ulul uni- unii unin unio unni unno unon uulu uuni uuno uuuu