bbbb bbcm bbdd bbdo bblb bcbc bccc bccl bccm bcuc bdbc bddc blcu bldc blob bloc blod blom bloo blou blub blud blum bmdb bmoc bobb bobo bobu bocm boco bocu bodb bodo bodu bold boll bolm bolo bolu bomb bomu boob booc bood bool boom boud boul boum bubb bubo bubu bucc buco bucu budb budd budl budo budu bulb buld bull bulu bum- bumb buol c-bo c-cd cbbc cbcc cbcl cbcm cbcu cbdb cbdc cbdo cblb cblc cbol ccbc cccb cccc cccl cccm cccu ccdc ccdm cclc cclm ccmb ccmc ccmd ccmm ccob ccoc ccod ccom ccuc cddb cddl cdom clcd cldc clmd clob clod clom cloo clou club clud clum cmbc cmcc cmdb cmll cmmb cmmc cmml cmoc cobb cobo cobu coco cocu codd codl col- colb cold coll colm colo colu com- comb comc comd coml comm como comu coob cood cool coom coub coud coul cub- cubb cucc cucm culb culc culd cull culm culo cum- d-bo dbcc dcbc dccb dccc dccl dccu dcdb dcml dcmu dcom dddd ddlc ddoc ddub dlbd dlco dmcc dmcm dmdc dobb dobl dobu doco docu dod- dodd dodo dold doll dolo dolu domb domm domo doob dood dool doom doub douc doud doul doum dub- dubb dubc dubu duco dudd dudo dudu dulc dull dulo dulu dumb dumm duo- duul lbcc lbmc lcbc lccc lccm lcdd lddm llcc lldb lldc lllc llll lloc llod lloo llud lmbo lmcc lob- lobb lobo locc loco locu lold loll lolo lomb lomm lomo lomu loob looc lood lool loom loud loul loum louu ludd ludo lull lulu lumb lumc lumo mbdb mbou mcbc mccc mccd mccl mcdc mcdd mcdl mcdo mcmc mcml mdcc mdcl mddl mddm mdmc mdoc mdud mlcc mmcc mmcd mmcl mmcm mmdb mmdc mmdl mmmc mmmd mmmm mmod mobb mobo mocl moco modd modo modu mold moll molo momo momu moob mooc mood mool moud moul mubo muc- mucc mucu mudd mudl mudu muld mull mulm mulo mulu mumm mumo mumu obbo oblu obol ocbc occc oclc ocml ocom ocul ocum odbo oddd odom odoo odou odum olbo olcc oldb ollo olmo olom ombo ombu omdb omo- omoo omul omuo oold oolo oooo oucc oudc ould oulu ouu- ubbo ublo uboc ubod ubud ucbc ucdc ucdd ucmc ucom udbc udmc udoo ulbc ulcc ulco ullo ulmo ulmu ulo- uloc ulul ulum umb- umbo ummo umol uocc uolc uoml uomo uulu uuoc uuuu