bbbb bbcm bbdd bblb bcbc bccc bccl bccm bcuc bdbc bddc blcu bldc blkb blkd blub blud blum bmdb bubb bubu bucc buck bucu budb budd budl budu bukk buku bulb buld bulk bull bulu bum- bumb c-cd cbbc cbcc cbcl cbcm cbcu cbdb cbdc cbkl cbkm cblb cblc ccbc cccb cccc cccl cccm cccu ccdc ccdm cckm cclc cclm ccmb ccmc ccmd ccmm ccuc cddb cddl ckbc ckck ckcl ckcm ckdm ckdu cklm ckml clcd cldc clmd club clud clum cmbc cmcc cmdb cmll cmmb cmmc cmml cub- cubb cucc cuck cucm cuk- culb culc culd culk cull culm cum- dbcc dcbc dccb dccc dccl dccu dcdb dcml dcmu dddd ddlc ddub dkdc dlbd dmcc dmcm dmdc dub- dubb dubc dubu duck dudd dudu duku dulc dull dulu dumb dumm duul kbbb kbbc kbbd kbbk kbbl kbbm kbbu kbcb kbck kbcl kbcu kbdb kbdl kbkb kbkk kbkl kblb kbld kbll kblm kblu kbmb kbmc kbub kbuc kbud kbuk kbul kbuu kcbc kcbd kcbk kcbl kcbu kccb kccc kccd kcck kccl kccu kcdc kcdd kcdu kckc kckk kckl kckm kclc kclk kcll kclm kclu kcmb kcmc kcmd kcmk kcml kcmm kcub kcuk kcul kdbb kdbl kdbm kdcc kdcd kddb kddc kddd kddk kddl kdkb kdkd kdkk kdlb kdlc kdld kdll kdlm kdmc kdmd kdub kduc kkbb kkbd kkbl kkcb kkcd kkck kkcl kkcm kkdc kkdd kkdl kkdm kkkk kklb kklc kkld kkll kkmc kkmk kkml kkuu klbb klbc klbd klbl klbm klbu klcb klcc klcd klck klcl klcm kldc kldd klkc klkk klkl kllb kllc kllk klmk klmm klub kluk klum kluu kmbc kmbd kmbl kmcb kmcc kmcd kmcl kmcm kmcu kmdb kmdl kmkk kmkl kmlb kmld kmlk kmlu kmmk kmml kmmm kmuc kmud kmul kubb kubc kubd kubu kucb kucc kucd kudd kudl kudu kukk kukl kuku kulb kuld kull kulm kulu kumm kumu kuub kuuk kuul kuuu lbcc lbmc lcbc lccc lccm lcdd lddm llcc lldb lldc lllc llll llud lmcc luck ludd lull lulu lumb lumc luuk mbdb mcbc mccc mccd mccl mcdc mcdd mcdl mckk mcmc mcml mdcc mdcl mddl mddm mdmc mdmk mdud mlcc mmcc mmcd mmcl mmcm mmdb mmdc mmdl mmmc mmmd mmmm muc- mucc muck mucu mudd mudl mudu muld mulk mull mulm mulu mumm mumu ubud ucbc ucdc ucdd ucmc udbc udmc uduk ukcc ukum ulbc ulcc ulmu uluk ulul ulum umb- uulu uuuu