spmd spmi spms spns spoc spod spon spoo spop spos spoy sppd spps spsd spso spsp spss spy- spys sscc ssci sscp sscs ssdc ssdd ssdm ssdp ssid ssin ssis sslc sslp ssmc ssml ssns ssoc ssop sspc sspl sspo ssps sssc sssi sssm ssss syco sydi syds syis syl- syli syll syls sym- symi syms syn- sync synd syns syny syon sypo syso syss yccc ydil ydin ydnp ydon yidi yids yild yili yill yins yips yiss ylds ylid ylli ylls ymci ymns ympn ymyd ynol ynon yodo yods yold yoli yoll yolo yolp yoly yomi yomo yomp yond yoni yono yons yood yool yoon yoop yopo yopy yosi yoso yoyn yoyo ypcc ypsi ysco ysii ysnp yson ysop yspi yyyy