bbbb bbcm bcbc bccc bccm bcnu bcuc bmoc bnoc bobb bobo bobu bocm boco bocu bomb bomu bonc bonn bono bonu boob booc boom boon boum boun bubb bubo bubu bucc buco bucu bum- bumb bunb bunn buno bunu buon c-bo cbbc cbcc cbcm cbcn cbcu ccbc ccbn cccb cccc cccm cccu ccmb ccmc ccmm ccnb ccnc ccnm ccnu ccob ccoc ccom ccuc cmbc cmcc cmmb cmmc cmmn cmoc cmon cnbc cnbm cnco cobb cobo cobu coco cocu com- comb comc comm como comu con- conc conn cono coob coom coon coub coun cub- cubb cucc cucm cucn cum- cuno cuon mbou mcbc mccc mcmc mmcc mmcm mmmc mmmm mmun mnbb mobb mobo moco momo momu mon- monc monn mono monu moob mooc moon moun mubo muc- mucc mucu mumm mumo mumu munc munn muno munu muon nbbc nbbo nbcc nbco ncbc nccc nccn nccu ncmm ncnc ncoc nmmc nmoc nmon nnmc nnnn nobc nobm nobo nobu noco nom- nomo nomu non- nonn nono nonu noo- noob noon nooo noun nubc nucu numb numm numu nunc nunn nuno nuoc nuon obbo obon ocbc occc occn ocom ocon ocum ombo ombu omn- omo- omon omoo omuo onc- onco onno onon oooo oucc oun- ouu- ubbo uboc ubon ucbc ucmc ucom ucon umb- umbo ummo umno uncc unco unmc unno unon unum uocc uomo uuno uuoc uuuu