sili sill silo sils simd sime simi simm simo sims siod sioe siol sior sios sirc sire siri siro sirr sirs sisc sisd sise sisi siss sl-i slcc slcd slds sled slee slem sler sles slic slid slie slim slir sllm slmm sloc slod sloe sloo slos slrc slre slrs slsc smcc smdc smdr smec smed smee smei smic smid smie smil smis smlc smle smls smoc smod smol smos smsc smsd smss soce soci socl socm soco socr socs sodd sode sodo sods soec soel soem soeo soes soic soie soil soim soir sois sold sole soli soll solo solr sols some somi soml somm somo sood sool soom soor soos sord sore sori sorm soro sorr sors sose sosi soso soss srcc srde srec srem sreo sres srim sris srmc sros srsd sscc ssce ssci sscs ssdc ssdd ssdm ssec ssee ssem sses ssid ssis sslc ssle ssmc ssml ssoc ssrc ssri ssrl ssrm ssrs sssc sssi sssm ssss