scsd scsh scsn scso scsr sdcc sdch sdco sddc sdds sder sdes sdhd sdhs sdrc sdrs sdsc sdss se-c se-d se-e se-h se-n se-o se-s sec- secc secd sece sech secn seco secr secs sede sedo seds seec seed seeh seen seer sees sehe sehr sehs send sene senn seno senr sens seoc seod seon serc serd sere sern sero serr sers sesc sese sesh seso sess shcc she- shed shee sheh shen sheo sher shes shhh shhs shne shod shoe shon shoo shor shos shre shrs shsc sncc snco sndh sned snee sneh sner snes snhs snns snoc snod snoo snor snos snrs snsd soce soch soco socr socs sodd sode sodo sods soec soen soeo soes sohh sohn soho sohs son- sond sone sono sons sood soon soor soos sord sore sorh sorn soro sorr sors sose sosh soso soss srcc srch srde srec sreo sres srhs srnn srno sros srsd sscc ssce sscs ssdc ssdd ssec ssee sses sshs ssns ssoc ssrc ssrs sssc sssh ssss