bbbb bbbs bbcm bbfc bcbc bcbs bccc bccm bccs bcfc bcfm bcms bcsc bcsm bcss bfcs bffs bmfc bscs bsfc bsff bsfs bsms bssc bssm cbbc cbbs cbcc cbcm cbcs cbfb cbfc cbms cbsc cbsm ccbc cccb cccc cccf cccm cccs ccfc ccff ccmb ccmc ccmm ccms ccsf ccss cfbc cfbs cfcb cfcf cfcm cfcs cffb cfmb cfms cmbc cmbs cmcc cmcs cmfb cmmb cmmc cmms cmsc cmsf csbf csbm cscb cscc cscf cscs csfc csmc cssm fcbs fccf fcsc ffcc ffff ffss fmcs fmss fscb fscc fssc fssf mbbs mbcs mbms mbsf mcbc mccc mcfc mcmc mcss mfbm mfcc mfsb mmcc mmcm mmcs mmff mmmc mmmm mmms mmsc mscc msfc msff msfs msmb msmc msmm msms mssf mssm sbbs sbcc sbcs sbfc sbmc sccc sccm sccs scfc scfm scmc scmm scms scsc sfbc sfcc sfcs sffc sfmm sfss smbc smbf smcc smsc smss sscc sscs ssfc ssmc sssb sssc sssf sssm ssss