bbbb bbci bbcm bcbc bccc bcci bccm bibb bibi bibo bicc bici bico bimo bio- bioc bioi bmci bmic bmmi bmoc bobb bobi bobo bocm boco boi- boii boim bomb bomi boob booc boom c-bo cbbc cbcc cbcm ccbc cccb cccc ccci cccm ccic ccii ccim ccmb ccmc ccmm ccob ccoc ccom cibc cibi cibo cicc cici cico ciii cimb cimi cimm cimo ciob cmbc cmcc cmii cmmb cmmc cmmi cmoc cobb cobi cobo coco com- comb comc comm como coob coom ibbm ibim icbc icbm iccb iccc icci icco icmc icmi icmm icoc icom iiii iiio iimc iioi iioo imbi imcb imci imco immi immo iobi ioci ioii ioio iomo iooi iooo mbci mbim mbio mcbc mcbi mccc mcci mcic mcii mcmc mcmi mibc micc mici mico miii miio mim- mimi mimo mio- mmcc mmci mmcm mmic mmii mmmc mmmm mobb mobi mobo moco moii moio momi momo moob mooc obbo oboi ocbc occc occi ocom oici oiii oimb ombo omic omim omio omo- omoi omoo oobi oooo