bbbb bbci bbeb bbet bblb bcbc bccc bcci bccl bcec bcet bcie bcit bctc bcuc bebb bebe bebi beci becu beeb beel beet beic beil beit bele beli bell belt belu betc bete beti bett betu bibb bibe bibi bibl bicc bice bici bieb biel biet bieu bile bili bill bilt bilu bitc bite bitt bitu blbt blcu bleb blee blei blet bleu blic blit blub blue blut btcc btcl btec btie bttb bubb bube bubi bubu bucc buce buci bucu buel bueu buic buie buit buiu bulb bule buli bull bult bulu but- bute buti butt cbbc cbcc cbce cbcl cbct cbcu cbec cbee cbet cbit cblb cblc cbtc cbtl ccbc cccb cccc ccci cccl cccu ccee ccel ccic ccii ccil cclc ccli cctb cctc cctl cctt ccuc ccut cebu cec- cece ceci cect ceeb ceec ceel ceil cel- celc cele celi cell celt cet- cete ceti ceui cibc cibe cibi cicc cici cict cicu ciee ciel ciii ciit cili cill cilt citb cite citi citl citt citu ciuc clec clee clei clet cleu clib clic clii clit cltb cltc club clue clut ctbi ctec ctic ctle cub- cubb cube cubi cucc cuce cuci cui- cuil cuit culb culc cule cull cult cut- cutc cute cutt e-cl ebbc ebcc ebel ebic ebit ebli ebul ecbc ecbe eccb eccc ecce ecci eccl ecct ecib ecil ecit eclt ect- ectc eeee eele eetc eete eetu eiec eiei eile eitb eitc eiti el-b elbe elbi elbu elcb elce elec elee elet elic elie elil elit elle elli ellu elte elue elui elul etbc etcc etec etee etel etic ette etti ettu etui eubc eubi eule i-be ibec ibet ibie ible ibtb ibtc ibtl icbc iccb iccc icci iccl icct iccu icec icee icel icet icle icll icub icue iecc ieet ieie iele iett iiie iiii iiit iitt iiuc ilbc ilce ile- ilec ilet ilic ilie ilit ill- ille illi illt ilut itbe itec itel itet itic itie itil itll iucc iuce iuel iuiu lbcc lcbc lccc lcce lctl le-u lebu lece lect leel leet leib leic leie leil leit lele leli lell lelu lete leti lett leuc libc libe libu lice lict lieb liel liet lieu liii lilb lile lili lill lilt lilu litb lite liti litl litt litu liue liut llcc llet lleu lllc llll ltbl ltcc ltci ltee ltib lttc ltuc lube luce luci luit lule luli lull lulu lute luti tbcb tbcc tbce tbil tbit tccc tccu tctc tcul tebu tecl tect teec teel teet teic teie teil teiu tel- telc tele teli tell telt telu tete teti tett tetu teut tibi tibu ticc tice tie- tiee tiei tiel tiet tiit tiiu tile till tilt titc tite titi titt titu tlli ttbb tttt ttul tubb tube tubu tucc tuei tuel tuet tuil tuit tuiu tule tuli tull tulu tute tuti tutl tutt tutu u-ie ubbe ubbi ubet ubic ubii ubit uble ubli ucbc ucci ucel ucil ucut uele ueli uell uile ulbc ulcc uleb ulee ulic ulie ulle ulli ulti ultt ulul utec utel util utti uttu uulu uuuu