sros ssbn ssbr ssby ssee sses ssin ssis ssns ssri ssrs sssb sssi ssss sybo syen syer syes syis syn- syne syns syny syon syre syro syrs syry syse syso syss ybbs yben yber ybor ybry yeen yeer yees yeie yeii yeir yene yeni yens yeon yeos yerb yere yeri yern yero yerr yers yery yesi yeso yess yeye yeyi yeyo yeyr yien yins yirb yire yirn yirr yise yiss ynes ynne ynon yobi yobo yobs yoen yone yoni yono yons yoon yore yori yorn yoro yory yosi yoso yoye yoyn yoyo yren yrin yrne yron yryn ysby ysee ysen yser yses ysii yson ysse ysyb yyyy