bbbb bbbs bbcm bcbc bcbs bccc bccm bccs bcms bcos bcsc bcsm bcss bmoc bobb bobo bobs bocm boco bocs bomb boms boob booc boom boos bosc bosm boso boss bscs bsms bsos bssc bssm c-bo cbbc cbbs cbcc cbcm cbcs cbms cbsc cbsm ccbc cccb cccc cccm cccs ccmb ccmc ccmm ccms ccob ccoc ccom ccss cmbc cmbs cmcc cmcs cmmb cmmc cmms cmoc cmos cmsc cobb cobo cobs coco com- comb comc comm como coms coob coom coos cosc cosm coso coss csbm cscb cscc csco cscs csmc csob csom csos cssm mbbs mbcs mbms mcbc mccc mcmc mcss mmcc mmcm mmcs mmmc mmmm mmms mmsc mobb mobo mobs moco mocs momo moms moob mooc moos mosc moso moss mscc msco msmb msmc msmm msms mssm obbo obos obss ocbc occc ocms ocom ocos ombo omo- omoo ooms oooo ooos oscc osco osm- osmo osoo osos ossb osso s-os sbbs sbcc sbcs sbmc sccc sccm sccs scmc scmm scmo scms scob scom scoo scsc scso smbc smcc smoc smos smsc smss sobo sobs socm soco socs somb somm somo soom soos soso soss sscc sscs ssmc ssoc sssb sssc sssm ssss