s-os sccc scce sccl sccs scdc scdf scds scec scee scel scfc scfe scfi sci- scic scid scie scif scil scio scis scl- sclc scls scol scoo scsc scsd scsi scsl scso sdcc sdco sddc sdds sdef sdes sdfc sdic sdif sdio sdlc sdls sdsc sdsf sdsl sdss se-c se-d se-e se-f se-i se-o se-s sec- secc secd sece seco secs sede sedo seds seec seed seef seel sees seff sefi sefl seid seie seif seii seil seis seld sele self seli sell selo sels seoc seod seoi seol sesc sese sesi seso sess sfcc sfco sfcs sfdc sffc sfio sflc sfls sfos sfss sicc sice sici sico sics sidd side sidi sido sids siec sied sief siel sies sife siff sifl sifo sil- silc sild sile silf sili sill silo sils siod sioe siol sios sisc sisd sise sisi siss sl-i slcc slcd slds sled slee sles slic slid slie sloc slod sloe sloo slos slsc soce soci socl soco socs sodd sode sodo sods soec soel soeo soes sofi sofo soic soie soif soil sois sold sole solf soli soll solo sols sood soof sool soos sose sosi soso soss sscc ssce ssci sscs ssdc ssdd ssdf ssec ssee sses ssfc ssfl ssid ssis sslc ssle ssoc sssc sssf sssi ssss