spin spip spis spne spns sppd spps spsd spse spsp spss spy- spys sscc ssce ssci sscp sscs ssdc ssdd ssdp ssec ssee ssep sses ssid ssin ssis ssns sspc sspe ssps sssc sssi ssss syce syde sydi syds syen syes syis syn- sync synd syne syns syny sype syse syss yccc ycee ycie ydee ydes ydie ydin ydnp yedd yede yedi yeds yeed yeen yeep yees yeid yeie yeii yenc yend yene yeni yens yepd yepe yepp yeps yesi yess yeye yeyi yidi yids yien yins yipe yips yise yiss ynce ynde ynes ynne ypcc ypsi ysed ysee ysen yses ysii ysnp yspi ysse yyyy