sosi soso soss soya soye soyo soys ssaa ssao ssas ssee sses ssfl ssis ssla ssle sssa sssf sssi ssss syes syfe syff syfy syia syis syl- syle syli syll syls syse syso syss yaaf yaas yael yafa yafe yaff yafo yala yale yali yall yalo yaoi yasa yasi yaso yass yaya yayo yays yeaf yeal yeas yeel yees yefe yeff yeie yeii yela yele yelf yeli yell yelo yeof yeos yesa yesi yeso yess yeye yeyi yeyo yfel yifa yiff yile yili yill yise yiss ylay ylla ylle ylli ylls yoal yoff yola yole yoli yoll yolo yoly yoof yool yosi yoso yoye yoyo ysay ysee ysel yses ysii ysle ysse yyfe yyff yyyy