spy- spys ssee ssem ssep sses ssin ssis ssns ssop sspe sspo ssps sssi sssm ssss syen syes syis sym- syme symi syms syn- syne syns syny syon sype sypo syse syso syss yeen yeep yees yeie yeii yeme yemm yemn yene yeni yens yeom yeon yeos yepe yepp yeps yesi yesm yeso yess yeye yeyi yeyo yien yins yipe yips yise yiss ymen ymne ymns ympn ynes ynne ynon yoen yomi yomo yomp yone yoni yono yons yoon yoop yopo yopy yosi yoso yoye yoyn yoyo ypsi ysee ysen yses ysii ysnp yson ysop yspi ysse yyyy