syn- syne syns syny sype syra syre syrs syry syse syss yaan yaar yaas yael yain yair yala yale yali yall yalp yana yane yani yann yans yapa yape yapp yaps yara yare yari yarl yarn yarp yarr yars yary yasa yasi yass yaya yays yeal yean yeap year yeas yeel yeen yeep yeer yees yeie yeii yeir yela yele yeli yell yelp yene yeni yens yepe yepp yeps yere yeri yerl yern yerr yers yery yesa yesi yess yeye yeyi yeyr yian yien yile yili yill yina yins yipe yips yire yirn yirr yise yiss ylay ylla ylle ylli ylls ynes ynne ypir ypsi yren yrin yrle yrly yrne yrsa yryn ysay ysee ysel ysen yser yses ysii ysle ysnp yspi ysse yyyy