bbbb bbcm bbdd bbeb bbrc bcbc bccc bccm bcde bcec bcer bcru bcuc bd-r bdbc bddc bdrm bebb bebe beck becu bede bedu beeb beed beek beem beer beke beme bemu berc berd bere berk berm berr beru beuk beur bmce bmdb brcb brce brdm breb brec bred bree brek brem brer brkb brmc brrm brrr bruc brud brue brum bubb bube bubu bucc buce buck bucu budb budd bude budu buem buer bueu buke bukk buku bum- bumb bur- burb burd bure burk burm burr buru c-cd cbbc cbcc cbce cbcm cbcr cbcu cbdb cbdc cbec cbee cber cbkm cbkr cbme cbrd cbre cbrm ccbc cccb cccc cccm cccu ccdc ccdm ccdr cced ccee cckm ccmb ccmc ccmd ccmm ccrc ccre ccuc cd-e cd-r cddb cddr cdec cder cdre cebu cec- cece cecm cedd cede cedu ceeb ceec ceem ceke cemb ceme cemm cemr cemu cer- cerc cerd cere ckbc ckbe ckck ckcm ckdm ckdu ckem cker ckrc ckrd ckrm cmbc cmcc cmdb cmdr cmec cmmb cmmc cmrr crbc crbu crcc crce crcr crdc cre- creb crec cred cree crem creu crkc crmb crub crud crue cruk crum cub- cubb cube cucc cuce cuck cucm cude cued cuek cuer cuk- cuke cum- cume curb curd cure curr dbcc dcbc dccb dccc dccu dcdb dcmu dcrk dddd ddrc ddre ddub debe debu dec- decc decd dece deck dedd dede dedu deeb deed deek deem deer dek- deke dem- demb demd deme demu der- derb derc dere derk derm derr deue deuk deum deur dkdc dmcc dmcm dmdc dmrb dmrc drbc dred dree drek drem drmk drub drue druk drum druu dub- dubb dubc dube dubu duce duck dudd dude dudu duer duke duku dumb dume dumm dure durk duru duur ebbc ebbr ebcc ebed eber ebru ebur ecbc ecbe eccb eccc ecce eccm ecdc eced ecem ecrc ecrm ecrr ecru eddc edde eddm ede- edem eder edme edrm edru educ edur eede eedu eeee eeke eerc ekeb eked ekek eker ekur embd embe embr emcc emek emer emeu emme emmu emre erbb erbe ercc erce erde ereb erec ered erem erer erke ermc erme errc erre erub eruc erum erur eubc eucd eude eudm euer eumc eur- eurc eure kbbb kbbc kbbd kbbe kbbk kbbm kbbr kbbu kbcb kbce kbck kbcr kbcu kbdb kbde kbdr kbeb kbec kbed kbee kbek kber kbkb kbkk kbkr kbmb kbmc kbme kbmr kbrb kbrc kbrd kbre kbrk kbru kbub kbuc kbud kbue kbuk kbur kbuu kcbc kcbd kcbk kcbr kcbu kccb kccc kccd kcck kccr kccu kcdc kcdd kcdr kcdu kceb kcec kced kcee kceu kckc kckk kckm kckr kcmb kcmc kcmd kcme kcmk kcmm kcmr kcrc kcrr kcru kcub kcue kcuk kdbb kdbm kdbr kdcc kdcd kdce kdcr kddb kddc kddd kddk kddr kdeb kdec kdem kdkb kdkd kdkk kdkr kdmc kdmd kdmr kdrb kdrm kdub kduc kdur kebb kebc kebe kebr kebu keck kecr kedb kedc kedd kede kedm kedr keed keek keem keer kekb kekc keke keku kemb kemc keme kemm kemr kemu ker- kerb kerc kere kerk kerm kerr keru keur kkbb kkbd kkbe kkbr kkcb kkcd kkck kkcm kkcr kkdc kkdd kkdm kked kkkk kkmc kkmk kkmr kkrb kkrc kkre kkrk kkrr kkuu kmbc kmbd kmbr kmcb kmcc kmcd kmce kmcm kmcr kmcu kmdb kmdr kmed kmem kmer kmke kmkk kmme kmmk kmmm kmmr kmrb kmrc kmrr kmuc kmud kmue kmur krbb krbd krbe krbk krbm krbr krcb krcc krcd krce krcm krcu krdc krdd krde krdm krdr krdu kreb krec kred kree krek krem kreu krkc krkd krke krkk krkr krku krmb krmc krmd krme krmr krrb krrc krre krrk krrm krrr kruc krue kruk krum krur kubb kubc kubd kube kubr kubu kucb kucc kucd kuce kucr kudd kude kudu kued kuek kueu kuke kukk kuku kume kumm kumr kumu kurb kurd kure kurk kurm kurr kuru kuub kuuk kuur kuuu mbdb mbed mcbc mccc mccd mcdc mcdd mcde mced mckk mcmc mcrc mcrd mdcc mddm mdmc mdme mdmk mdrc mdud mebe mec- mecc mecd mece meck mecr medb medd mede medu meed meek meem meer meke memc meme memr memu mer- merb merc merd mere merk merm meru meum mker mmcc mmcd mmcm mmdb mmdc mmmc mmmd mmmm mmrc mr-c mrbb mrbm mrcb mrcc mrce mrdd mreb mred mree mrkr mrmc mrmd mrrc mrud mruk mube muc- mucc muce muck mucu mudd mude mudu mued muee muke mume mumm mumu murc murd mure murk murr muru rbbb rbbr rbmk rcbc rccb rccc rcdc rcde rcrd rdbm rdcm rder rebb rebe rebk rebu recc recd rece reck recm recr recu redc redd rede redr redu reeb reed reek reem reke reme rerd rere reru reue reuk reuu rred rrkm rrmc rrrr rrum rubb rube rubu ruce ruck rudd rude rued ruer ruke rukk ruku rumb rume rumm rurc rurd rure ruru ruud ubbe ubek uber ubud ucbc ucdc ucdd ucmc ucrc udbc udem uder udmc uduk ukcc ukek ukeu ukrc ukum ukur umb- umbe umde umec umer urbe urde urdu ure- ured urke urre uruk urum urur uuuu