bbbb bbcm bbdd bbdo bcbc bccc bccm bdbc bddc bmdb bmoc bnoc bobb bobo bocm boco bodb bodo bomb bonc bond bonn bono boob booc bood boom boon c-bo c-cd cbbc cbcc cbcm cbcn cbdb cbdc cbdn cbdo cbnd ccbc ccbn cccb cccc cccm ccdc ccdm ccdn ccmb ccmc ccmd ccmm ccnb ccnc ccnm ccob ccoc ccod ccom cddb cdnb cdnc cdom cdon cmbc cmcc cmdb cmmb cmmc cmmn cmoc cmon cnbc cnbm cnco cndd cobb cobo coco codd com- comb comc comd comm como con- conc cond conn cono coob cood coom coon d-bo dbcc dcbc dccb dccc dcdb dcom dcon dddd ddoc dmcc dmcm dmdc dnoc dobb doco dod- dodd dodo domb domm domn domo donc dond donn dono doob dood doom doon mbdb mcbc mccc mccd mcdc mcdd mcdo mcmc mdcc mddm mdmc mdoc mmcc mmcd mmcm mmdb mmdc mmmc mmmd mmmm mmod mnbb mndo mobb mobo moco modd modo momo mon- monc mond monn mono moob mooc mood moon nbbc nbbo nbcc nbco ncbc nccc nccn ncdc ncdn ncmm ncnc ncnd ncoc ndbm ndcc nddb nddo ndmc ndoc ndom nmdc nmmc nmoc nmon nndb nnmc nnnn nobc nobm nobo noco nodo nom- nomo non- nonn nono noo- noob noon nooo obbo obon ocbc occc occn ocom ocon odbo oddd odnb odom odon odoo ombo omdb omn- omo- omon omoo onc- oncd onco ondo onno onod onon oooo