sbse scaa scab scac scad scak scal scar scas scba sccc scce sccl sccs scda scdc scds scea scec scee scel scer sck- sckl scl- sclc sclk scls scr- scra scrc scre scrs scsa scsc scsd scsl scsr sdae sdak sdba sdcc sddc sdds sder sdes sdla sdlc sdls sdrc sdrs sdsc sdsl sdss se-c se-d se-e se-k se-s seaa seab seac sead seak seal sear seas seba sebe sebs sec- seca secc secd sece seck secr secs seda sede seds seea seeb seec seed seek seel seer sees seka seke sekk sela selb seld sele selk sell sels sera serb serc serd sere serk serr sers sesa sesc sese sess skab skac skad skal skar sked skee skel sker skes skra sksd skss slaa slab slac slad slae slak slas slcc slcd slds slea sleb sled slee sler sles slrc slre slrs slsa slsc sras srbc srcc srde sreb srec sres srsd ssaa ssab ssac ssas ssbr ssca sscc ssce sscs ssdc ssdd ssec ssee sses ssla sslc ssle ssra ssrc ssrl ssrs sssa sssb sssc ssss