bbbb bbcm bboy bbrc bbyo bcbc bccc bccm bcor bmoc bobb bobo boby bocm boco bomb bomy boob booc boom boor bor- borm boro borr bory boyo brcb brmc brob broc brom broo bror brrm brrr bry- bryo byob byoc c-bo cbbc cbcc cbcm cbcr cbrm cbry ccbc cccb cccc cccm ccmb ccmc ccmm ccob ccoc ccom ccrc cmbc cmcc cmmb cmmc cmoc cmoy cmrr cobb cobo coby coco com- comb comc comm como comr coob coom cor- corb corc corm coro corr cory coyo coyr crbc crcc crcr crmb crmo crob croc crom croo cror croy cry- cryb crym cryo cybb cybc cybo cyc- cycb cycc cym- cymo cyy- cyyc mcbc mccc mcmc mcrc mmcc mmcm mmmc mmmm mmor mmrc mmyy mobb mobo moby moco momo momy moob mooc moor morb moro mory moyo mr-c mrbb mrbm mrcb mrcc mrmc mrrc mybb myc- myco mymy myo- myob myro myrr myry obbo obby obor oboy obro ocbc occc ocom ocro ocrr ombo omo- omoo omor omro ooby oocr oooo oory orbb orbo orby orco ormo ormy oro- orom oror oroy orro orry rbbb rbbr rcbc rcbo rccb rccc rcyc rob- robb robo roby rocc roco romb romm romo romy roob room roor rorc roro rory rrmc rrrr ryob ybor ybry yccc yobo yomo yoro yory yoyo yyyy