-ene cccc cccs cccu ccee ccnc ccne ccns ccnu ccsn ccss ccst cctc cctt ccuc ccus ccut cec- cece cecs cect ceec cees cen- cene cens cent cesc cese cess cest cet- cete cets cnes cnet cnss cntc cnut cscc csce cscs csec csee cset csne csse cstc csts csus ctec cten ctne ctns ctsc ctsn ctss ctsu cttn ctts cucc cuce cucn cues cune cunt cuss cust cusu cut- cutc cute cuts cutt eccc ecce ecct eces ecne ecsc ecse ecss ecsu ect- ectc ects ecus eecs eeee eees eens eent eese eetc eete eets eetu ence encs enee enes ennc enne enns ennu ense enst ensu ent- ente ents enue enus enut esce escs escu esee esen eses eset esne esse esst essu estc este ests esus etcc etcs etec etee eten etes etne etns etsu ette ettn ettu etun euse nccc nccn nccs ncct nccu ncec ncee ncen nces ncnc ncsc ncse ncss ncst nctc ncte ncue necc nece necs nect neen nees neet nene nens nent nenu nesc nese nesn ness nest net- nete nets nett neuc neue neun neut neuu nnes nnnn nnss nntn nscc nscs nsec nssc nsse nsss nstc nsts nstu ntcc ntes nteu ntnu ntsc ntss ntsu ntuc nuce nucs nucu nuee nunc nune nunn nuns nunt nuse nuss nust nusu nute nuts nutt nutu sccc scce sccs scct scec scee scet scnt scsc scsn scst scsu sctc sctn scts scun scut se-c se-e se-n se-s se-t se-u sec- secc sece secn secs sect secu seec seen sees seet seeu sene senn sens sent sesc sese sess sest set- setc sete sets sett sncc snee snes snet snns snte snus sscc ssce sscs ssec ssee sses sset ssns sssc ssss sstc ssts stcc stcs stcu stec stee sten stes stet stnn stns stss sttc stuc stue stun stus stut suc- succ sucs suee suen sues suet sueu sun- sune sunn suns sunt sunu sus- suse suss sust susu sute sutu suus tccc tccu tcnn tctc tcts tecs tect teec teen tees teet tenc tene tenn tens tent tenu tesc tese tess test tete tets tett tetu teut tncc tnes tnts tnut tscc tsec tsen tses tset tsse tsst tstc tsts tsun ttcn tten ttss tttt tucc tuen tues tuet tunc tune tunn tuns tunu tusc tuss tust tute tuts tutt tutu uces ucsc ucst ucsu ucut uesn uess uncc unce uncs unct unec unee unen unes unne unns uns- unsc unst unte unts unus unut uscc usce uscs usee usen uses uset usnc usnu ussc usse usss usst ussu ustc uste usts usun usus utec utes utne utsc uttu uuen uuuu