scso sdcc sdco sddc sdds sdes sdmo sdms sdsc sdsm sdss se-c se-d se-e se-k se-o se-s sebe sebo sebs sec- secc secd sece seck seco secs sede sedo seds seeb seec seed seek seem sees seke sekk seko semc seme sems seoc seod seok sesc sese seso sess sked skee skem skeo skes skoe sksd skss smbc smbe smcc smdc smeb smec smed smee smkb smkd smoc smod smok smos smsc smsd smss sobe sobo sobs soce sock socm soco socs sodd sode sodo sods soec soem soeo soes soke sokk soko somb some somm somo sood sook soom soos sose soso soss sscc ssce sscs ssdc ssdd ssdm ssec ssee ssem sses ssmc ssoc sssb sssc sssm ssss