cccc cccf cccm cccs ccfc ccff ccmc ccmm ccms ccoc ccom ccsf ccss cfcf cfcm cfco cfcs cfmo cfms cfom cfos cmcc cmcs cmmc cmms cmoc cmos cmsc cmsf coco cofc coff cofs com- comc comm como coms coof coom coos cosc cosm coso coss cscc cscf csco cscs csfc csmc csom csos cssm fccf fcsc ffcc ffff ffss fmcs fmss foco focs fofo fomc fomo foof foom foos foso foss fscc fsfo fssc fssf mccc mcfc mcmc mcss mfcc mmcc mmcm mmcs mmff mmmc mmmm mmms mmsc moco mocs moff mofo momo moms mooc moos mosc moso moss mscc msco msfc msff msfs msmc msmm msms mssf mssm occc ocms ocom ocos off- offc offo offs omo- omoo ooff oofs ooms oooo ooos oscc osco osm- osmo osoo osos osso s-os sccc sccm sccs scfc scfm scmc scmm scmo scms scom scoo scsc scso sfcc sfco sfcs sffc sfmm sfos sfss smcc smoc smof smos smsc smss socm soco socs sofo somm somo soof soom soos soso soss sscc sscs ssfc ssmc ssoc sssc sssf sssm ssss