scfa scfc scfe scfm scma scmc scmm scmo scms scom scoo scor scr- scra scrc scre scrs scsa scsc scsd scso scsr sdae sdcc sdco sddc sdds sdef sder sdes sdfc sdma sdmo sdms sdrc sdrs sdsc sdsf sdsm sdss se-c se-d se-e se-f se-o se-s seaa seac sead seaf seam sear seas sec- seca secc secd sece seco secr secs seda sede sedo seds seea seec seed seef seem seer sees sefa seff sema semc seme sems seoc seod sera serc serd sere serf serm sero serr sers sesa sesc sese seso sess sfar sfas sfca sfcc sfco sfcs sfdc sfer sffc sfma sfmm sfor sfos sfra sfrc sfro sfss smaa smac smad smas smcc smdc smdr smea smec smed smee smoc smod smof smos smrf smsc smsd smss soad soam soar soas soca soce socm soco socr socs soda sodd sode sodo sods soea soec soem soeo soes sofa sofo soma some somm somo sood soof soom soor soos sora sord sore sorm soro sorr sors sosa sose soso soss sraf sram sras srcc srde srec srem sreo sres srfc srmc sros srsd ssaa ssac ssam ssao ssas ssca sscc ssce sscs ssdc ssdd ssdf ssdm ssec ssee ssem sses ssfc ssmc ssoc ssra ssrc ssrm ssrs sssa sssc sssf sssm ssss