pspp psps pssa pssc pssm s-ic s-ii sa-c saac saad saam saap saas saca sacc sacd saci sacs sada sadc sadd sadi sadm sads saia saic said saim saip sais sam- sama samc sami samm samp sams sapa sapi sapp saps sasa sasc sasd sasi sasm sass scaa scac scad scai scam scap scas sccc sccm sccp sccs scda scdc scdp scds sci- scia scic scid scim scip scis scma scmc scmm scmp scms scpa scpi scpm scps scsa scsc scsd scsi sdap sdcc sddc sdds sdic sdma sdms sdps sdsc sdsm sdss siaa siac siai siam sias sica sicc sici sicm sicp sics sida sidd sidi sids siim sima simd simi simm simp sims sipa sipc sipi sipp sips sisa sisc sisd sisi siss smaa smac smad smai smap smas smcc smcp smdc smia smic smid smis smpa smps smsc smsd smsp smss sp-a spac spad spam spap spas spca spcc spcs spdc spdm spdp spia spic spim spip spis spma spmd spmi spms sppd spps spsa spsd spsp spss ssaa ssac ssam ssap ssas ssca sscc ssci sscp sscs ssdc ssdd ssdm ssdp ssid ssis ssmc sspa sspc ssps sssa sssc sssi sssm ssss