bbbb bbch bbdd bbeb bblb bcbc bccc bccl bcde bcec bchd bche bcuc bdbc bddc bddh bdle bebb bebe bech beck becu bede bedl bedu beeb beed beek beel beke beld bele belk bell belu beuk bhcc bhdl bhel bhuu blcu bldc bleb bled blee bleh blek bleu blkb blkd blub blud blue bubb bube bubu bucc buce buch buck bucu budb budd bude budl budu buel bueu buhe buhl buke bukh bukk buku bulb buld bule bulk bull bulu c-cd cbbc cbcc cbce cbcl cbcu cbdb cbdc cbec cbee cbhl cbkl cblb cblc ccbc cccb cccc cccl cccu ccdc ccdh cced ccee ccel cche cchl cclc ccuc cd-e cddb cddl cdec cebu cec- cece cedd cede cedu ceeb ceec ceel cehl ceke cel- celc cele cell chce chch cheb chec ched chee cheh chek chel cheu chkb chlc chub chud chuk chul ckbc ckbe ckch ckck ckcl ckdu clcd cldc clec cled clee clek cleu club clud clue cluh cub- cubb cube cucc cuce cuck cude cued cuek cuk- cuke culb culc culd cule culk cull dbcc dcbc dccb dccc dccl dccu dcdb dche dddd ddlc ddub debe debu dec- decc decd dece deck decl dedd dede dedu deeb deed deek deel dehu dek- deke dekh deld dele delk dell deue deuk deul dhec dhed dhee dhul dkdc dlbd dub- dubb dubc dube dubh dubu duce duch duck dudd dude dudu duel duhe duhl duhu duke duku dulc dule dull dulu duul e-cl ebbc ebcc ebed ebel ebul ecbc ecbe eccb eccc ecce eccl ecdc ecdl eced eche echl eddc edde ede- edeh edel edle educ eede eedu eeee eeke eele ehcc ehdd eheh ehel eheu ehle ehud ekch ekeb eked ekek el-b elbe elbu elcb elce elch elde elec eled elee eleh elek elke elle ellu elue elul eubc eucd euch eude euhl eule hbcd hcbc hccb hccc hcch hdbk hebb hebe hech heck hedd hede heeb heed heek heel hehe heke heku held hele helk hell helu heue heuk hhcl hhhh hkbu hkcc hkcl hkdl hlde hluk hlul hubb hube hubl huch huck hucu hudd hude hudl hudu hued huel huhu huke hulc huld hule hulk hull hulu huub kbbb kbbc kbbd kbbe kbbk kbbl kbbu kbcb kbce kbch kbck kbcl kbcu kbdb kbde kbdl kbeb kbec kbed kbee kbeh kbek kbel kbhb kbhc kbhe kbhh kbhl 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 kche kchh kchk kchl kchu kckc kckk kckl kclc kcle kclh kclk kcll kclu kcub kcue kcuh kcuk kcul kdbb kdbl kdcc kdcd kdce kddb kddc kddd kddk kddl kdeb kdec kdel kdhl kdkb kdkd kdkk kdlb kdlc kdld kdlh kdll kdub kduc kebb kebc kebe kebu kech keck kedb kedc kedd kede keed keeh keek keel kehk kehl kekb kekc keke kekl keku keld kele kelk kell kelu keul khbc khbd khcb khcc khch khck khdc khdk kheb khec khed khel khhk khhl khke khkk khlc khle khll khub khud khuk kkbb kkbd kkbe kkbl kkcb kkcd kkch kkck kkcl kkdc kkdd kkdl kked kkhb kkhh kkhk kkkk kklb kklc kkld kklh kkll kkuu klbb klbc klbd klbe klbl klbu klcb klcc klcd klce klch klck klcl kldc kldd klde kleb klec kled klee klek klhb klhc klkc klkk klkl kllb kllc klle kllk klub klue kluh kluk kluu kubb kubc kubd kube kubu kucb kucc kucd kuce kuch kudd kude kudl kudu kued kuek kuel kueu kuhl kuhu kuke kukh kukk kukl kuku kulb kuld kule kulh kull kulu kuub kuuk kuul kuuu lbcc lcbc lccc lcce lcdd lchc le-u lebd lebu lece lech leck lede leed leek leel lehe lehu leke lekh lekk lele lell lelu leuc leud leuk lhec lhee lhhh llcc lldb lldc lleu lllc llll llud lube luce luch luck ludd lude lued luhe luhu luke lukh lule lull lulu luuk ubbe ubek uble ubud ucbc ucdc ucdd ucel uche udbc udel uduk uele uell uh-d uhcl uhde uhle uhuh ukcc ukek ukeu ulbc ulcc ulch ulde uleb ulee ulek ulle uluk ulul uulu uuuu