bbbb bbdd bbdo bbeb bblb bcbc bccc bccl bcde bcec bcuc bdbc bddc bdle bebb bebe bebo beck becu bede bedl bedo bedu beeb beed beek beel beke beko beld bele belk bell belo belu beo- beod beok beuk blcu bldc bleb bled blee blek bleo bleu blkb blkd blob bloc blod blok bloo blou blub blud blue bobb bobe bobo bobu boce bock boco bocu bodb bode bodo bodu boec boee boel boeo boke boko boku bold bole bolk boll bolo bolu boob booc bood booe book bool boud boue bouk boul bubb bube bubo bubu bucc buce buck buco bucu budb budd bude budl budo budu buel bueu buke bukk buko buku bulb buld bule bulk bull bulu buol c-bo c-cd cbbc cbcc cbce cbcl cbcu cbdb cbdc cbdo cbec cbee cbkl cbko cblb cblc cbol ccbc cccb cccc cccl cccu ccdc cced ccee ccel cclc ccob ccoc ccod ccuc cd-e cddb cddl cdec cebu cec- cece ceco cedd cede cedo cedu ceeb ceec ceel ceke cel- celc cele cell celo ceol ceou ckbc ckbe ckck ckcl ckco ckdo ckdu ckob ckoc ckoo clcd cldc clec cled clee clek cleo cleu clob clod cloe clok cloo clou club clud clue cobb cobe cobo cobu coce cock coco cocu codd code codl coed coel cok- coke coko col- colb cold cole colk coll colo colu coob cood cook cool coub coud coue couk coul cub- cubb cube cucc cuce cuck cude cued cuek cuk- cuke culb culc culd cule culk cull culo d-bo dbcc dcbc dccb dccc dccl dccu dcdb dddd ddlc ddoc ddub debe debu dec- decc decd dece deck decl deco dedd dede dedo dedu deeb deed deek deel dek- deke deld dele delk dell delo deol deue deuk deul dkdc dlbd dlco dobb dobe dobl dobu doce dock doco docu dod- dodd dode dodo doek doel doke doko dold dole dolk doll dolo dolu doob dood dook dool doub douc doud doue douk doul dub- dubb dubc dube dubu duce duck duco dudd dude dudo dudu duel duke duku dulc dule dull dulo dulu duo- duul e-cl ebbc ebbo ebcc ebed ebel eboe ebol eboo ebul ecbc ecbe eccb eccc ecce eccl ecco ecdc ecdl eced ecko eco- ecod ecol ecou eddc edde eddo ede- edel edle edoc edod edou educ eede eedu eeee eeke eele eeoc ekco ekeb eked ekek el-b elbe elbo elbu elcb elce elco elde elec eled elee elek eleo elke elko elle ello ellu elod elok elue elul eocd eode eole eolo eubc eucd eude eule k-lo kbbb kbbc kbbd kbbe kbbk kbbl kbbo kbbu kbcb kbce kbck kbcl kbco kbcu kbdb kbde kbdl kbdo kbeb kbec kbed kbee kbek kbel kbeo kbkb kbkk kbkl kbko kblb kbld kble kbll kblo kblu kbob kboc kbod kboe kbok kboo kbub kbuc kbud kbue kbuk kbul kbuu kcbc kcbd kcbk kcbl kcbu kccb kccc kccd kcck kccl kccu kcdc kcdd kcdu kceb kcec kced kcee kcel kceo kceu kckc kckk kckl kcko kclc kcle kclk kcll kclu kcob kcoe kcol kcou kcub kcue kcuk kcul kdbb kdbl kdcc kdcd kdce kdco kddb kddc kddd kddk kddl kdeb kdec kdel kdkb kdkd kdkk kdko kdlb kdlc kdld kdll kdlo kdoc kdoe kdok kdub kduc kebb kebc kebe kebu keck keco kedb kedc kedd kede kedo keed keek keel kekb kekc keke kekl keko keku keld kele kelk kell kelo kelu keok keol keul kkbb kkbd kkbe kkbl kkbo kkcb kkcd kkck kkcl kkco kkdc kkdd kkdl kkdo kked kkkk kklb kklc kkld kkll kklo kkob kkol kkoo kkuu klbb klbc klbd klbe klbl klbu klcb klcc klcd klce klck klcl kldc kldd klde kleb klec kled klee klek kleo klkc klkk klkl klko kllb kllc klle kllk klob kloc kloe klok klol kloo klou klub klue kluk kluu kobb kobc kobe kobk kobo kobu kocb kocd kock kode kodk kodl kodo kodu koed koel kokb kokc koke kokk koko koku kolb kolc kold kole kolk koll kolo kolu koob kooc kook kool kooo koou koub koue koul kouu kubb kubc kubd kube kubo kubu kucb kucc kucd kuce kuco kudd kude kudl kudo kudu kued kuek kuel kueu kuke kukk kukl kuku kulb kuld kule kull kulo kulu kuok kuol kuoo kuub kuuk kuul kuuu lbcc lcbc lccc lcce lcdd ldeo le-u lebd lebo lebu lece leck leco lede ledo leed leek leel leke lekk leko lele lell lelo lelu leoc leod leok leou leuc leud leuk llcc lldb lldc lleu lllc llll lloc llod lloo llud lob- lobb lobe lobo locc loce lock loco locu lode loeb loeu loke lokk loko lold lole loll lolo loob looc lood looe look lool loud loue louk loul louu lube luce luck ludd lude ludo lued luke luko lule lull lulu luuk o-eo obbo obec obed obel obkb oble oblu oboe obok obol ocbc occc oce oced ocee ocke oclc ocul odbo oddd oded odel odeo odle odoo odou oec- oecc oedo oeec oele okcu oked okko oklo okok okol okul olbo olcc oldb olde ole- oled oleo olle ollo oobe ooku oold oolo oooo oucc oudc oude oued ould oule oulk oulu ouu- ubbe ubbo ubek uble ublo uboc ubod ubud ucbc ucdc ucdd ucel udbc udel udoo uduk uele uell ukcc ukek ukeu ukko ukok ulbc ulcc ulco ulde uleb ulee ulek uleo ulle ullo ulo- uloc uluk ulul uocc uoke uolc uulu uuoc uuuu