bbbb bbin bblb bibb bibi bibl bibo biin bili bill bilo bilt bilu bin- bini binn bino bint binu bio- bioi biol bion biot biou bito bitt bitu blbt blin blio blit blni blno blob blon bloo blot blou blub blut bnib bnin bobb bobi bobo bobu boi- boii boil boin boit boiu boli boll boln bolo bolt bolu boni bonn bono bont bonu boob bool boon boot botb boti botn boto bott boul boun bout btob bttb bubb bubi bubo bubu buin buit buiu bulb buli bull bult bulu bunb buni bunn buno bunt bunu buol buon but- buti buto butt i-no ibon ibot ibtb ibtl iiii iiio iiit iino iioi iioo iitt ilin ilio ilit ill- illi illo illt ilni ilno iloo ilot ilut inbo init inni inno innu ino- inoi inol inon inot inou inti intl intn into intu inui inul inun iobi ioii ioio ioit iolo ioni ionn iono iooi iooo ioto ioun itil itin itll itno itoi itol iton itoo itou itto iuiu iuno libo libu liii liin lilb lili lill lilo lilt lilu linn lino lint lio- lion litb liti litl lito litt litu liun liut llll lloo lob- lobb lobi lobo loin loit loiu loli loll lolo loni lono lont loob lool loon loot loti lotl loto lott loui loul loun lout louu ltbl ltib ltnt luin luit luli lull lulu luni lunn luno lunt luti n-ii nbbo nbti nibi nibo niit niiu nili nill nilo nilt nilu nini ninl nino nion nioo niou nitb niti nito nnit nnnn nnot nntn nobi nobo nobu noib noil noin noio noit noli noll nolo nolt non- noni nonn nono nont nonu noo- noob nool noon nooo noot not- noti noto nott noul noun nout ntnu ntto ntui nubi nubl nuin nuit nuli null nunn nuno nunt nuon nutt nutu obbo obin obit oblu oboi obol obon obot oiii oint oion oiti olbo olib olin olio olit olli ollo olon olot oltu onil onit onni onno onon ont- onti onto onut oobi oolo oont oooo ootb otin otit oto- oton otoo otti otto ottu ouii ouin ouit oulu oun- out- outb outi outo ouu- tbil tbit tibi tibu tiit tiiu till tiln tilo tilt tini tinn tino tint tinu tion tiou titi tito titt titu tlli tlon tnut tobi tobo tobt tobu toil toit tol- toli toll tolo tolt tolu tonb toni tonn tono tonu tool toon toot toti toto tott toui toul toun tout ttbb tton tttt ttul tubb tubo tubu tuil tuin tuit tuiu tuli tull tulo tulu tunb tuni tunn tuno tunu tuti tutl tuto tutt tutu tuuo ubbi ubbo ubii ubit ubli ublo ubon uint ulli ullo ulno ulo- ulti ulto ultt ulul uni- unii unin unio unit unni unno unon untb unto unut util utin utti utto uttu uulu uuni uuno uuuu