bbbb bbcm bbrc bcbc bccc bccm bcor bmoc bnoc bnor bnrr bobb bobo bocm boco bomb bonc bonn bono boob booc boom boon boor bor- borm born boro borr brcb brmc brno brob broc brom bron broo bror brrm brrr c-bo cbbc cbcc cbcm cbcn cbcr cbrm cbrn ccbc ccbn cccb cccc cccm ccmb ccmc ccmm ccnb ccnc ccnm ccnr ccob ccoc ccom ccrc cmbc cmcc cmmb cmmc cmmn cmoc cmon cmrn cmrr cnbc cnbm cnco cnrc cnrr cobb cobo coco com- comb comc comm como comr con- conc conn cono coob coom coon cor- corb corc corm corn coro corr crbc crcc crcr crmb crmn crmo crob croc crom cron croo cror mcbc mccc mcmc mcrc mmcc mmcm mmmc mmmm mmor mmrc mnbb mobb mobo moco momo mon- monc monn mono moob mooc moon moor morb morn moro mr-c mrbb mrbm mrcb mrcc mrmc mrnc mron mrrc nbbc nbbo nbcc nbco ncbc nccc nccn nccr ncmm ncnc ncoc ncor ncrc nmmc nmoc nmon nmrc nnmc nnnn nobc nobm nobo noco nom- nomo non- nonn nono noo- noob noon nooo noor nor- norb norc norm norn noro norr nroc nron nrrc obbo obon obor obro ocbc occc occn ocom ocon ocro ocrr ombo omn- omo- omon omoo omor omro onc- onco onno onon onor oocr oooo orbb orbo orco ormn ormo ornc orno oro- orom oron oror orro rbbb rbbr rcbc rcbo rccb rccc rcnr rcon rmon rnbr rnco rob- robb robo rocc roco romb romm romo ronc rono roob room roon roor rorc roro rrmc rrrr