srec sreo sres srib sris srna srni srnn srno sros ssaa ssab ssac ssan ssao ssas ssbn ssbr ssby ssca sscc ssce ssci sscs ssec ssee sses ssin ssis ssns ssoc ssra ssrc ssri ssrs sssa sssb sssc sssi ssss syar sybo syce syco sycr syen syer syes syia syis syn- sync syne syns syny syon syra syre syro syrs syry syse syso syss yaan yaar yaas yaba yabo yacc yaco yacy yain yair yana yane yani yann yano yans yaoi yara yarb yare yari yarn yaro yarr yars yary yasa yasi yaso yass yaya yayo yays ybas ybbs yben yber ybor ybry ycab ycao yccc ycee ycie ycsb yean year yeas yeen yeer yees yeie yeii yeir yenc yene yeni yens yeon yeos yerb yere yeri yern yero yerr yers yery yesa yesi yeso yess yeye yeyi yeyo yeyr yian yien yina yins yirb yire yirn yirr yise yiss ynca ynce ynes ynne ynoa ynon yoan yoar yoba yobi yobo yobs yoen yona yone yoni yono yons yoon yore yori yorn yoro yory yosi yoso yoye yoyn yoyo yren yrin yrne yron yrsa yryn ysay ysby ysco ysee ysen yser yses ysii yson ysse ysyb yyyy