syl- syli syll syls syn- sync synd syns syny syon syph sypo syra syro syrs syry syso syss yaan yaar yaas yacc yaco yacp yacy yada yado yads yahi yahn yaho yahs yaid yain yair yala yald yali yall yalo yalp yana yani yann yano yans yaoi yapa yapp yaps yara yard yari yarl yarn yaro yarp yarr yars yary yasa yash yasi yaso yass yaya yayo yays ycao yccc ycch ydad ydan yday ydil ydin ydna ydnp ydon yhad yhar yhid yhis yhon yhyd yian yida yidi yids yild yili yill yina yins yips yird yirn yirr yiss ylad ylay ylds ylid ylla ylli ylls ynca ynch ynoa ynoh ynol ynon ynsh yoal yoan yoar yoch yoda yodh yodo yods yohn yoho yola yold yoli yoll yolo yolp yoly yona yond yoni yono yons yood yool yoon yoop yopo yopy yord yori yorn yoro yory yosh yosi yoso yoyn yoyo ypcc ypir ypoa ypsi yrad yrho yrin yrly yron yrsa yryn ysay ysco ysii ysnp yson ysop yspi yssh yyyy