-ene -yne cccc cccs ccee ccnc ccne ccns ccny ccsn ccss cec- cece cecs ceec cees cen- cene cens ceny cesc cese cess ceys cnes cnss cscc csce cscs csec csee csne csny csse csys cyc- cycc cycs cyen cyn- cyne cyse cyy- cyyc cyyn eccc ecce eces ecne ecsc ecse ecss eecs eeee eees eens eeny eese eesy ence encs ency enee enes eney ennc enne enns enny ense enye enys esce escs esee esen eses esne esse essy esyn eyec eyen eyes eyey eyne eyse nccc nccn nccs ncec ncee ncen nces ncnc ncsc ncse ncss ncsy necc nece necs necy neen nees nene nens nesc nese nesn ness neye neyn neys nnes nnnn nnss nscc nscs nsec nssc nsse nsss nycc nyce nycy nyen nyes nyne nyny nysc nyse nyss sccc scce sccs sccy scec scee scey scsc scsn scye scyn se-c se-e se-n se-s se-y sec- secc sece secn secs secy seec seen sees seey sene senn sens seny sesc sese sess seye seyn seys sncc snee snes snns snsy snye snys sscc ssce sscs ssec ssee sses ssns sssc ssss syce syen syes syn- sync syne syns syny syse syss yccc ycee yeen yees yenc yene yens yess yeye ynce ynes ynne ysee ysen yses ysse yyyy