sbsi scaa scab scac scag scai scal scar scas scba scbi sccc scce sccl sccs scea scec scee sceg scel scer scgs sci- scia scic scie scil scir scis scl- sclc scls scr- scra scrc scre scri scrs scsa scsc scsi scsl scsr se-c se-e se-g se-i se-s seaa seab seac seal sear seas seba sebe sebi sebs sec- seca secc sece secg secr secs seea seeb seec seeg seel seer sees sega sege segg segi segs seia seie seii seil seir seis sela selb sele seli sell sels sera serb serc sere serg seri serr sers sesa sesc sese sesi sess sgaa sgac sgca sgcb sgce sgcg sger sges sggg sggs sgic sglr sgls sgss siaa siab siac siae siag siai sial sias siba sibc sibe sibi sibs sica sicc sice sici sics siec sieg siel sier sies siga sige sigg sigi sigs sil- sila silc sile sili sill sils sira sirc sire siri sirr sirs sisa sisc sise sisi siss sl-i slaa slab slac slae slag slai slas slcc slea sleb slee sler sles slge slib slic slie slig slir slrc slre slrs slsa slsc sras srbc srcc sreb srec sres srgb srib sris ssaa ssab ssac ssas ssbr ssca sscc ssce ssci sscs ssec ssee sses ssgs ssis ssla sslc ssle ssra ssrc ssrg ssri ssrl ssrs sssa sssb sssc sssi ssss