pyos pypy pyss s-ic s-ii s-os sccc sccl sccp sccs sccy scdc scdf scdp scds scfc scfi sci- scic scid scif scil scio scip scis scl- sclc scls scol scoo scop scpi scpl scpo scps scsc scsd scsi scsl scso sdcc sdco sddc sdds sdfc sdic sdif sdio sdlc sdls sdps sdsc sdsf sdsl sdss sfcc sfco sfcs sfdc sffc sfio sflc sfls sfos sfpc sfpd sfss sicc sici sico sicp sics sidd sidi sido sids sidy siff sifl sifo sify sil- silc sild silf sili sill silo sils siod siol siop sios sipc sipi sipo sipp sips sipy sisc sisd sisi siss sisy siyi sl-i slcc slcd slds slic slid slip sllp sloc slod sloo slop slos sloy slpi slpp slps slsc slyp slys soci socl soco socs socy sodd sodo sods sody sofi sofo soic soif soil sois sold solf soli soll solo solp sols soly sood soof sool soop soos sooy sopd sopi sopo sopp sops sopy sosi soso soss soyo soys spcc spco spcs spdc spdf spdl spdp spdy spfc spfs spic spio spip spis splc splo splp spls spoc spod spoo spop spos spoy sppd sppf spps spsd spso spsp spss spy- spys sscc ssci sscp sscs ssdc ssdd ssdf ssdp ssfc ssfl ssfp ssid ssis sslc sslp ssoc ssop sspc sspf sspl sspo ssps sssc sssf sssi ssss syco sydi syds syff syfy syis syl- syli syll syls sypo syso syss yccc ydil yidi yids yiff yild yili yill yips yiss ylds ylid ylli ylls yodo yods yoff yold yoli yoll yolo yolp yoly yood yoof yool yoop yopo yopy yosi yoso yoyo ypcc ypfl ypsi ysco ysii ysop yspi yyff yyyy