bbbb bbeb bbet bbfc bblb bcbc bccc bccl bcec bcet bcfc bcof bctc bcuc bebb bebe bebo becu beeb beef beel beet befe beff befo beft bele bell belo belt belu beo- beof beot betc bete beto bett betu bffl bftt blbt blcu bleb blee bleo blet bleu blfc blob bloc bloo blot blou blub blue bluf blut bobb bobe bobo bobu boce boco bocu boec boee boef boel boeo boet bofe boff bofu bole boll bolo bolt bolu boob booc booe boof bool boot botb bote boto bott boue bouf boul bout btcc btcl btec btfc btob bttb bubb bube bubo bubu bucc buce buco bucu buel bueu bufc bufe buff bufo bulb bule bull bult bulu buol but- bute buto butt c-bo cbbc cbcc cbce cbcl cbct cbcu cbec cbee cbef cbet cbfb cbfc cblb cblc cbol cbot cbtc cbtf cbtl ccbc cccb cccc cccf cccl cccu ccee ccel ccfc ccff ccfl cclc ccob ccoc cctb cctc cctl cctt ccuc ccut cebu cec- cece ceco cect ceeb ceec ceel cef- cefc cel- celc cele celf cell celo celt ceol ceou cet- cete ceto cfbc cfbt cfcb cfcf cfcl cfco cffb cftc cfte cftl clec clee clef cleo clet cleu clob cloe clof cloo clot clou cltb cltc club clue clut cobb cobe cobo cobu coce coco coct cocu coel cofc cofe coff coft col- colb cole coll colo colt colu coob coof cool coot cotb cotc cote coto cott cotu coub coue coul cout ctcf ctec ctfc ctfo ctle ctol ctot cub- cubb cube cucc cuce cufc cuff cufo culb culc cule cull culo cult cut- cutc cute cuto cutt e-cl ebbc ebbo ebcc ebel ebfc eboe ebol eboo ebul ecbc ecbe eccb eccc ecce eccl ecco ecct ecef ecfc eclt eco- ecol ecot ecou ect- ectc ectf ecto eeee eefe eefl eele eeoc eetc eete eetu efco efeo efet eft- eftu el-b elbe elbo elbu elcb elce elco elec elee elef eleo elet elfc elfe elft elle ello ellu elte elto elue elul eole eolo eotc eoto etbc etcc etco etec etee etel etfb etfc etfe etoe ette etto ettu eubc eufc eule fble fccf fcot fcto febo fece fect feeb feel feet fefc fefe feff fefo fele felf fell felo felt feof fete fett fetu ffcc ffee ffff fftf flcl flee flet flob floc floe floo flot flou flub flue fluf fluo fobt foce foco fofo folc fole foll folo folt foof fool foot fote foto fott foul fout ft-c ft-l ftfc ftlb ftub ftuc fubb fubu fuc- fuct fuel fuet fufc fuff fufu fule full fulu fute futo futu lbcc lcbc lccc lcce lcfc lctl lcto le-u lebo lebu lece leco lect leef leel leet lefe leff left lele lell lelo lelu leoc leof leou lete leto lett leuc lfcc llcc llef llet lleu lllc llll lloc lloo lob- lobb lobe lobo locc loce loco locu loeb loeu lofe loff loft lole loll lolo loob looc looe loof lool loot lote lotl loto lott loue loul lout louu ltbf ltbl ltcc ltee ltfc lttc ltuc lube luce luef lufe luff luft lufu lule lull lulu lute o-eo obbo obec obel obet oble oblu oboe obol obot ocbc occc occt oce ocee ocef ocet oclc oct- octe octo ocul oec- oecc oeec oele oeuf ofcl off- offc offe offo offu olbo olcc ole- olef oleo olet olfe olle ollo olof olot oltu oobe ooff oolo oooo ootb otcl otee otfc oto- otoe otof otoo otte otto ottu oucc oufc oufe ouff oule oulu out- outb oute outo ouu- tbcb tbcc tbce tccc tccu tcfc tctc tcul tebo tebu tecl teco tect teec teef teel teet tefc teff tefl teft tel- telc tele tell telo telt telu tete teto tett tetu teut tfcu tfeb tfec tfot tftc tlco tobe tobo tobt tobu toce toco toee toet toff tofo toft tofu tol- tole toll tolo tolt tolu toof tool toot totc tote toto tott toul tout ttbb tteo ttfc ttff ttoe tttt ttul tubb tube tubo tubu tucc tuco tuel tuet tufc tufe tuff tufo tuft tufu tule tull tulo tulu tute tutl tuto tutt tutu tuuo ubbe ubbo ubet uble ublo uboc ubtf ucbc ucel ucfb ucut uele uell ufcu ufel uffe ulbc ulcc ulco uleb ulee uleo ulfe ulft ulle ullo ulo- uloc ulto ultt ulul uocc uofl uofo uolc utec utel utfo utto uttu uulu uuoc uutf uuuu