bbbb bbin bblb bibb bibi bibl bibo biin bili bill bilo bilt bin- bini binn bino bint bio- bioi biol bion biot bito bitt blbt blin blio blit blni blno blob blon bloo blot bnib bnin bobb bobi bobo boi- boii boil boin boit boli boll boln bolo bolt boni bonn bono bont boob bool boon boot botb boti botn boto bott btob bttb i-no ibon ibot ibtb ibtl iiii iiio iiit iino iioi iioo iitt ilin ilio ilit ill- illi illo illt ilni ilno iloo ilot inbo init inni inno ino- inoi inol inon inot inti intl intn into iobi ioii ioio ioit iolo ioni ionn iono iooi iooo ioto itil itin itll itno itoi itol iton itoo itto libo liii liin lilb lili lill lilo lilt linn lino lint lio- lion litb liti litl lito litt llll lloo lob- lobb lobi lobo loin loit loli loll lolo loni lono lont loob lool loon loot loti lotl loto lott ltbl ltib ltnt n-ii nbbo nbti nibi nibo niit nili nill nilo nilt nini ninl nino nion nioo nitb niti nito nnit nnnn nnot nntn nobi nobo noib noil noin noio noit noli noll nolo nolt non- noni nonn nono nont noo- noob nool noon nooo noot not- noti noto nott ntto obbo obin obit oboi obol obon obot oiii oint oion oiti olbo olib olin olio olit olli ollo olon olot onil onit onni onno onon ont- onti onto oobi oolo oont oooo ootb otin otit oto- oton otoo otti otto tbil tbit tibi tiit till tiln tilo tilt tini tinn tino tint tion titi tito titt tlli tlon tobi tobo tobt toil toit tol- toli toll tolo tolt tonb toni tonn tono tool toon toot toti toto tott ttbb tton tttt