bbbb bbcm bbdd bbeb bblb bcbc bccc bccl bccm bcde bcec bcuc bdbc bddc bdle bebb bebe becu bede bedl bedu beeb beed beel beem beld bele bell belm belu beme bemu blcu bldc bleb bled blee blem bleu blme blub blud blue blum bmce bmdb bubb bube bubu bucc buce bucu budb budd bude budl budu buel buem bueu bulb buld bule bull bulu bum- bumb c-cd cbbc cbcc cbce cbcl cbcm cbcu cbdb cbdc cbec cbee cblb cblc cbme ccbc cccb cccc cccl cccm cccu ccdc ccdm cced ccee ccel cclc cclm ccmb ccmc ccmd ccmm ccuc cd-e cddb cddl cdec cebu cec- cece cecm cedd cede cedu ceeb ceec ceel ceem cel- celc cele cell cemb ceme cemm cemu clcd cldc clec cled clee clem cleu clmd club clud clue clum cmbc cmcc cmdb cmec cmll cmmb cmmc cmml cub- cubb cube cucc cuce cucm cude cued culb culc culd cule cull culm cum- cume dbcc dcbc dccb dccc dccl dccu dcdb dcml dcmu dddd ddlc ddub debe debu dec- decc decd dece decl dedd dede dedu deeb deed deel deem deld dele dell dem- demb demd deme demu deue deul deum dlbd dmcc dmcm dmdc dub- dubb dubc dube dubu duce dudd dude dudu duel dulc dule dull dulu dumb dume dumm duul e-cl ebbc ebcc ebed ebel ebul ecbc ecbe eccb eccc ecce eccl eccm ecdc ecdl eced ecem eddc edde eddm ede- edel edem edle edme educ eede eedu eeee eele el-b elbe elbu elcb elce elde elec eled elee elem elle ellu elme elml elue elul elum embd embe emcc emel emeu emle emlm emme emml emmu emul eubc eucd eude eudm eule eumc lbcc lbmc lcbc lccc lcce lccm lcdd lddm le-u lebd lebu lece lede leed leel leem lele lell lelu leme lemm lemu leuc leud llcc lldb lldc lleu lllc llll llud lmcc lube luce ludd lude lued lule lull lulu lumb lumc lume mbdb mbed mcbc mccc mccd mccl mcdc mcdd mcde mcdl mced mcmc mcml mdcc mdcl mddl mddm mdel mdmc mdme mdud mebe mec- mecc mecd mece medb medd mede medu meed meel meem mel- melb melc meld mele mell memc meme meml memu meum mlcc mlle mmcc mmcd mmcl mmcm mmdb mmdc mmdl mmmc mmmd mmmm mube muc- mucc muce mucu mudd mude mudl mudu mued muee muel muld mule mull mulm mulu mume mumm mumu ubbe uble ubud ucbc ucdc ucdd ucel ucmc udbc udel udem udmc uele uell ulbc ulcc ulde uleb ulee ulle ulme ulmu ulul ulum umb- umbe umde umec uulu uuuu