scmc scmm scms scr- scra scrc scre scrs scsa scsc scsd scsr sdae sdcc sddc sdds sder sdes sdma sdms sdrc sdrs sdsc sdsm sdss se-c se-d se-e se-s seaa seac sead seam sear seas sec- seca secc secd sece secr secs seda sede seds seea seec seed seem seer sees sema semc seme sems sera serc serd sere serm serr sers sesa sesc sese sess smaa smac smad smas smcc smdc smdr smea smec smed smee smsc smsd smss sram sras srcc srde srec srem sres srmc srsd ssaa ssac ssam ssas ssca sscc ssce sscs ssdc ssdd ssdm ssec ssee ssem sses ssmc ssra ssrc ssrm ssrs sssa sssc sssm ssss