sbor sbse sccc scce sccm sccs scec scee scer scmc scmm scmo scms scnr scob scom scon scoo scor scr- scrc scre scrn scrs scsc scsn scso scsr se-c se-e se-n se-o se-s sebe sebo sebs sec- secc sece secn seco secr secs seeb seec seem seen seer sees semc seme semn sems sene senn seno senr sens seoc seon serb serc sere serm sern sero serr sers sesc sese seso sess smbc smbe smcc smeb smec smee smen smnc smoc smon smos smsc smsn smss sncc snco sneb snee sner snes snns snob snoc snom snoo snor snos snrs sobe sobo sobr sobs soce socm soco socr socs soec soem soen soeo soes somb some somm somn somo son- sone sono sons soom soon soor soos sorb sore sorm sorn soro sorr sors sose soso soss srbc srcc sreb srec srem sreo sres srmc srnn srno sros ssbn ssbr sscc ssce sscs ssec ssee ssem sses ssmc ssns ssoc ssrc ssrm ssrs sssb sssc sssm ssss