sbcs sbhc sbhs sbic sbsi sbsp scbi sccc sccl sccp sccs sccy sch- schh schi schl scho schs sci- scic scil scio scip scis scl- sclc scls scob scoh scol scoo scop scpb scpi scpl scpo scps scsc scsh scsi scsl scso shbs shcc shcp shhh shhs shib shih shii shil shio ship shis shl- shlp shls shoo shop shos shps shsc shyp sibc sibi sibo sibs siby sicc sich sici sico sicp sics sihi sihl sihs sil- silc sili sill silo sils siol siop sios sipc sipi sipo sipp sips sipy sisc sish sisi siss sisy siyi sl-i slbp slcc slhs slib slic slip sllp slob sloc sloh sloo slop slos sloy slpi slpp slps slsc slyp slys sobo sobp sobs soch soci socl soco socs socy sohh sohl soho sohp sohs soic soil sois solh soli soll solo solp sols soly sool soop soos sooy soph sopi sopo sopp sops sopy sosh sosi soso soss soyo soys spby spcc spco spcs sphs spib spic spio spip spis splc splo splp spls spoc spoo spop spos spoy spps spso spsp spss spy- spyh spys ssby sscc ssci sscp sscs sshl sshs ssis sslc sslp ssoc ssop sspc sspl sspo ssps sssb sssc sssh sssi ssss sybo sych syco syis syl- syli syll syls syph sypo syso syss ybbs yccc ycch ycsb yhis yili yill yips yiss ylli ylls yobi yobo yobs yoch yoho yoli yoll yolo yolp yoly yool yoop yopo yopy yosh yosi yoso yoyo ypcc ypsi ysby ysco ysii ysop yspi yssh ysyb yyyy