bbbb bbeb bbet bblb bbrc bcbc bccc bccl bcec bcer bcet bcor bcru bctc bcuc bebb bebe bebo becu beeb beel beer beet bele bell belo belt belu beo- beor beot berc bere bero berr bert beru betc bete beto bett betu beur blbt blcu bleb blee bleo blet bleu blob bloc bloo blot blou blrc blub blue blur blut bobb bobe bobo bobu boce boco bocu boec boee boel boeo boer boet bole boll bolo bolt bolu boob booc booe bool boor boot bor- bore boro borr bort boru botb bote boto bott boue boul bour bout brcb brce breb brec bree brel breo brer bret brob broc broe brol broo bror brot brou brrr brtc bruc brue brut btcc btcl btec btob btor btrc btrt bttb bubb bube bubo bubu bucc buce buco bucu buel buer bueu bulb bule bull bult bulu buol bur- burb bure burl buro burr burt buru but- bute buto butt c-bo cbbc cbcc cbce cbcl cbcr cbct cbcu cbec cbee cber cbet cblb cblc cbol cbot cbre cbrl cbrt cbtc cbtl ccbc cccb cccc cccl cccu ccee ccel cclc ccob ccoc ccrc ccre ccrl ccrt cctb cctc cctl cctt ccuc ccut cebu cec- cece ceco cect ceeb ceec ceel cel- celc cele cell celo celt ceol ceor ceou cer- cerc cere cerl cero cert cet- cete ceto clec clee cleo cler clet cleu clob cloe cloo clor clot clou clro cltb cltc club clue clut cobb cobe cobo cobu coce coco coct cocu coel col- colb cole coll colo colt colu coob cool coot cor- corb corc core corl coro corr cort cotb cotc cote coto cott cotu coub coue coul cour cout crbc crbu crcc crce crcr cre- creb crec cree creo cret creu crob croc croe crol croo cror crot crrt crtc crtl crub crue crut ctec ctle ctol ctor ctot ctrc ctrl cub- cubb cube cucc cuce cuer culb culc cule cull culo cult curb cure curl curo curr curt cut- cutc cute cuto cutt e-cl ebbc ebbo ebbr ebcc ebel eber eboe ebol eboo ebor ebro ebru ebul ebur ecbc ecbe eccb eccc ecce eccl ecco ecct eclt eco- ecol ecot ecou ecrc ecrl ecrr ecru ect- ectc ecto eeee eele eeoc eerc eero eetc eete eetu el-b elbe elbo elbu elcb elce elco elec elee eleo eler elet elle ello ellu elro elte elto elue elul eole eolo eore eorl eotc eoto erbb erbe ercc erce ereb erec erel erer eret erle erll erob eroc eroe erol eroo errc erre erro ertl ertu erub eruc erur etbc etbr etcc etco etec etee etel eter etoe etre etro ette etto ettu eubc euer eule eur- eurc eure euro eurt lbcc lblr lbrt lcbc lccc lcce lcer lcor lcrl lctl lcto le-u lebo lebu lece leco lect leel leer leet lele lell lelo lelu leoc leor leou lerc lere lero lert lete leto lett leuc leur llcc llet lleu lllc llll lloc lloo lob- lobb lobe lobo locc loce loco locu loeb loeu lole loll lolo loob looc looe lool loor loot lore loro lote lotl loto lotr lott loue loul lour lout louu lroc lrrc lrrr ltbl ltcc ltee lttc lttr ltuc lube luce luer lule lull lulu lure lurt lute o-eo obbo obec obel ober obet oble oblu oboe obol obor obot obre obro ocbc occc occt oce ocee ocet oclc ocre ocrl ocro ocrr oct- octe octo ocul ocur oec- oecc oeec oele oere olbo olcc ole- oleo oler olet olle ollo olor olot oltu olur oobe oocr ooer oolo oooo oore oort ootb orbb orbe orbo orbu orce orco ore- oreb orec orel oreo orer orle orlo orlu oro- oroe oror orot orro ortc orte orto orub otcl otee oter oto- otoe otoo otor otre otro otte otto ottu otur oucc ouer oule oulu our- oure ouro ourt out- outb oute outo ouu- rbbb rbbr rbcl rble rcbc rcbo rccb rccc rcet rcle rctc rebb rebe rebo rebu recc rece recr rect recu reeb reel reet relb rele rell relo relt reol reot reou rere rero rert reru rete reto retr rett reue reul reut reuu rlee rleu rob- robb robe robo robt robu rocc roce roco roel roer roet role roll rolo rolt roob rool roor root rorc rore roro rort roru rotc rote rotl roto rotr rott roub roue roul rout rrle rrrr rtcc rtce rtee rtle rtlt rubb rube rubu ruce ruct ruel ruer ruet rule rull rulo rurc rure ruro ruru rute rutl ruto rutt rutu tbcb tbcc tbce tbrb tccc tccu tctc tcul tebo tebu tecl teco tecr tect teec teel teer teet tel- telc tele tell telo telt telu teor ter- terc tere tero terr teru tete teto tetr tett tetu teut tlco tobe tobo tobt tobu toce toco toee toer toet tol- tole toll tolo tolt tolu tool toor toot torc tore toro torr tort toru totc tote toto totr tott toul tour tout trcc trcl tre- trec tree treo tret treu troc troe troo trot trou trtc trte trtr trub truc true trut truu ttbb tteo tter ttoe tttt ttul tubb tube tubo tubr tubu tucc tuco tuel tuer tuet tule tull tulo tulu tuor turb turc ture turo turr turt turu tute tutl tuto tutt tutu tuuo ubbe ubbo uber ubet uble ublo uboc ucbc ucel ucrc ucut uele uell ulbc ulcc ulco uleb ulee uleo ulle ullo ullr ulo- uloc ulto ultt ulul uocc uolc uor- uore urbe ure- uret urle uro- urol uroo urre urte urur urut utec utel uter utor utto uttu uulu uuoc uuuu