bbbb bbdd bbeb bblb bcbc bccc bccl bcde bcec bcuc bdbc bddc bdle bebb bebe beck becu bede bedl bedu beeb beed beek beel beke beld bele belk bell belu beuk blcu bldc bleb bled blee blek bleu blkb blkd blub blud blue bubb bube bubu bucc buce buck bucu budb budd bude budl budu buel bueu buke bukk buku bulb buld bule bulk bull bulu c-cd cbbc cbcc cbce cbcl cbcu cbdb cbdc cbec cbee cbkl cblb cblc ccbc cccb cccc cccl cccu ccdc cced ccee ccel cclc ccuc cd-e cddb cddl cdec cebu cec- cece cedd cede cedu ceeb ceec ceel ceke cel- celc cele cell ckbc ckbe ckck ckcl ckdu clcd cldc clec cled clee clek cleu club clud clue cub- cubb cube cucc cuce cuck cude cued cuek cuk- cuke culb culc culd cule culk cull dbcc dcbc dccb dccc dccl dccu dcdb dddd ddlc ddub debe debu dec- decc decd dece deck decl dedd dede dedu deeb deed deek deel dek- deke deld dele delk dell deue deuk deul dkdc dlbd dub- dubb dubc dube dubu duce duck dudd dude dudu duel duke duku dulc dule dull dulu duul e-cl ebbc ebcc ebed ebel ebul ecbc ecbe eccb eccc ecce eccl ecdc ecdl eced eddc edde ede- edel edle educ eede eedu eeee eeke eele ekeb eked ekek el-b elbe elbu elcb elce elde elec eled elee elek elke elle ellu elue elul eubc eucd eude eule kbbb kbbc kbbd kbbe kbbk kbbl kbbu kbcb kbce kbck kbcl kbcu kbdb kbde kbdl kbeb kbec kbed kbee kbek kbel kbkb kbkk kbkl kblb kbld kble kbll kblu 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 kceu kckc kckk kckl kclc kcle kclk kcll kclu kcub kcue kcuk kcul kdbb kdbl kdcc kdcd kdce kddb kddc kddd kddk kddl kdeb kdec kdel kdkb kdkd kdkk kdlb kdlc kdld kdll kdub kduc kebb kebc kebe kebu keck kedb kedc kedd kede keed keek keel kekb kekc keke kekl keku keld kele kelk kell kelu keul kkbb kkbd kkbe kkbl kkcb kkcd kkck kkcl kkdc kkdd kkdl kked kkkk kklb kklc kkld kkll kkuu klbb klbc klbd klbe klbl klbu klcb klcc klcd klce klck klcl kldc kldd klde kleb klec kled klee klek klkc klkk klkl kllb kllc klle kllk klub klue kluk kluu kubb kubc kubd kube kubu kucb kucc kucd kuce kudd kude kudl kudu kued kuek kuel kueu kuke kukk kukl kuku kulb kuld kule kull kulu kuub kuuk kuul kuuu lbcc lcbc lccc lcce lcdd le-u lebd lebu lece leck lede leed leek leel leke lekk lele lell lelu leuc leud leuk llcc lldb lldc lleu lllc llll llud lube luce luck ludd lude lued luke lule lull lulu luuk ubbe ubek uble ubud ucbc ucdc ucdd ucel udbc udel uduk uele uell ukcc ukek ukeu ulbc ulcc ulde uleb ulee ulek ulle uluk ulul uulu uuuu