spis splc sple splp spls spne spns spps spse spsp spss spy- spys sscc ssce ssci sscp sscs ssec ssee ssep sses ssin ssis sslc ssle sslp ssns sspc sspe sspl ssps sssc sssi ssss syce syen syes syis syl- syle syli syll syls syn- sync syne syns syny sype syse syss yccc ycee ycie yeel yeen yeep yees yeie yeii yele yeli yell yelp yenc yene yeni yens yepe yepp yeps yesi yess yeye yeyi yien yile yili yill yins yipe yips yise yiss ylle ylli ylls ynce ynes ynne ypcc ypsi ysee ysel ysen yses ysii ysle ysnp yspi ysse yyyy