syke syl- syle syli sylk syll syls syn- syne synk syns syny sype syse syss syyk yaak yaan yaas yael yaik yain yaka yaki yaks yala yale yali yall yalp yana yane yani yank yann yans yapa yape yapp yaps yasa yasi yask yass yaya yays yeal yean yeap yeas yeek yeel yeen yeep yees yeie yeii yeka yeke yeki yela yele yeli yelk yell yelp yene yeni yens yepe yepp yeps yesa yesi yesk yess yeye yeyi yian yien yike yile yili yill yina yins yipe yips yise yisk yiss ykan ykep ykes ykey ylay ylke ylla ylle ylli ylls ylyk ynes ynke ynne ypsi ysay ysee ysel ysen yses ysii ysle ysnp yspi ysse yyyy