-ene cccc cccs ccee ccnc ccne ccns ccsn ccss ccst cctc cctt cec- cece cecs cect ceec cees cen- cene cens cent cesc cese cess cest cet- cete cets cnes cnet cnss cntc cscc csce cscs csec csee cset csne csse cstc csts ctec cten ctne ctns ctsc ctsn ctss cttn ctts eccc ecce ecct eces ecne ecsc ecse ecss ect- ectc ects eecs eeee eees eens eent eese eetc eete eets ence encs enee enes ennc enne enns ense enst ent- ente ents esce escs esee esen eses eset esne esse esst estc este ests etcc etcs etec etee eten etes etne etns ette ettn nccc nccn nccs ncct ncec ncee ncen nces ncnc ncsc ncse ncss ncst nctc ncte necc nece necs nect neen nees neet nene nens nent nesc nese nesn ness nest net- nete nets nett nnes nnnn nnss nntn nscc nscs nsec nssc nsse nsss nstc nsts ntcc ntes ntsc ntss sccc scce sccs scct scec scee scet scnt scsc scsn scst sctc sctn scts se-c se-e se-n se-s se-t sec- secc sece secn secs sect seec seen sees seet sene senn sens sent sesc sese sess sest set- setc sete sets sett sncc snee snes snet snns snte sscc ssce sscs ssec ssee sses sset ssns sssc ssss sstc ssts stcc stcs stec stee sten stes stet stnn stns stss sttc tccc tcnn tctc tcts tecs tect teec teen tees teet tenc tene tenn tens tent tesc tese tess test tete tets tett tncc tnes tnts tscc tsec tsen tses tset tsse tsst tstc tsts ttcn tten ttss tttt