snns snrs snsy snye snys srcc srec srem sres srim sris srmc srni srnn sscc ssce ssci sscs ssec ssee ssem sses ssin ssis ssmc ssns ssrc ssri ssrm ssrs sssc sssi sssm ssss syce sycr syen syer syes syis sym- syme symi syms syn- sync syne syns syny syre syrs syry syse syss yccc ycee ycie yeen yeer yees yeie yeii yeir yeme yemm yemn yenc yene yeni yens yere yeri yerm yern yerr yers yery yesi yesm yess yeye yeyi yeyr yien yins yire yirm yirn yirr yise yiss ymci ymen ymer ymir ymne ymns ynce ynes ynne yren yrin yrne yryn ysee ysen yser yses ysii ysse yyyy