bbbb bbdd bbeb bblb bcbc bcbp bccc bccl bcde bcec bcpl bcpp bcuc bcup bdbc bddc bdle bdpc bebb bebe becu bede bedl bedu beeb beed beel beep beld bele bell belp belu blcu bldc bleb bled blee bleu blub blud blue blup bpcp bpel bubb bube bubu bucc buce bucu budb budd bude budl budu buel bueu bulb buld bule bull bulu bupc c-cd cbbc cbcc cbce cbcl cbcp cbcu cbdb cbdc cbec cbee cblb cblc cbpc cbpp ccbc cccb cccc cccl cccp cccu ccdc ccdp cced ccee ccel cclc ccpe ccpl ccpp ccuc ccup cd-e cddb cddl cdec cebp cebu cec- cece cecp cedd cede cedu ceeb ceec ceel cel- celc cele cell cepc cepe cepp clcd cldc clec cled clee clep cleu clpb clpp club clud clue cpbc cpce cpcu cpdl cpeb cpep cplc cppd cub- cubb cube cucc cuce cude cued culb culc culd cule cull culp cupe cupl cupp dbcc dbcp dblp dbpc dbpd dcbc dccb dccc dccl dccp dccu dcdb dcpl dcup dddd ddlc ddub debe debu dec- decc decd dece decl dedd dede dedu deeb deed deel deep deld dele dell delp depc depe depp deue deul dlbd dpbc dpcp dpll dppc dub- dubb dubc dube dubu duce dudd dude dudu duel dulc dule dull dulu dupe duul e-cl ebbc ebcc ebed ebel ebul ecbc ecbe eccb eccc ecce eccl ecdc ecdl eced ecpd ecpp eddc edde eddp ede- edel edle educ edup eede eedu eeee eele el-b el-p elbe elbu elcb elce elde elec eled elee elle ellu elpe elue elul epcc epec epee eple epll eppc eppp epub eubc eucd eude eule lbcc lcbc lccc lcce lcdd lcdp lcpc lcpd lcpl lddp ldpc le-u lebd lebu lece lede leed leel leep lele lell lelu lepe lepp leuc leud llcc lldb lldc lldp lleu lllc llll llud lpec lppl lube luce ludd lude lued lule lull lulu lupe lupu luup pbcc pbed pblu pcbc pccc pcce pccl pcep pcll pcpb pcpp pdcp pdlc pebl pece pecl ped- pede peec peed peel peep pel- pelb pele pell pelu pepd pepe peul plcc plce ple- pleb plec pled plee pleu plpp plud plue plup ppcc ppcd pple pppd pppp pu-e pube publ pubu puce pudu pued puel pueu pule pull pulp pulu pupe pupl pupu puuc ubbe uble ubpc ubud ucbc uccp ucdc ucdd ucel ucpb udbc udel udpd uele uell ulbc ulcc ulde uleb ulee ulle ulul upbe uped uplb uppc uppe uppp uppu upup uucp uulu uuuu