bbbb bbcm bblb bcbc bccc bccl bccm bcuc blcu blob bloc blom bloo blou blub blum bmoc bobb bobo bobu bocm boco bocu boll bolm bolo bolu bomb bomu boob booc bool boom boul boum bubb bubo bubu bucc buco bucu bulb bull bulu bum- bumb buol c-bo cbbc cbcc cbcl cbcm cbcu cblb cblc cbol ccbc cccb cccc cccl cccm cccu cclc cclm ccmb ccmc ccmm ccob ccoc ccom ccuc clob clom cloo clou club clum cmbc cmcc cmll cmmb cmmc cmml cmoc cobb cobo cobu coco cocu col- colb coll colm colo colu com- comb comc coml comm como comu coob cool coom coub coul cub- cubb cucc cucm culb culc cull culm culo cum- lbcc lbmc lcbc lccc lccm llcc lllc llll lloc lloo lmbo lmcc lob- lobb lobo locc loco locu loll lolo lomb lomm lomo lomu loob looc lool loom loul loum louu lull lulu lumb lumc lumo mbou mcbc mccc mccl mcmc mcml mlcc mmcc mmcl mmcm mmmc mmmm mobb mobo mocl moco moll molo momo momu moob mooc mool moul mubo muc- mucc mucu mull mulm mulo mulu mumm mumo mumu obbo oblu obol ocbc occc oclc ocml ocom ocul ocum olbo olcc ollo olmo olom ombo ombu omo- omoo omul omuo oolo oooo oucc oulu ouu- ubbo ublo uboc ucbc ucmc ucom ulbc ulcc ulco ullo ulmo ulmu ulo- uloc ulul ulum umb- umbo ummo umol uocc uolc uoml uomo uulu uuoc uuuu