-ene cccc cccf cccp ccee ccfc ccff ccnc ccne ccnf ccnp ccpe ccpn ccpp cctc cctt cec- cece cecp cect ceec cef- cefc cefn cen- cene cent cepc cepe cepp cept cet- cete cetp cfcf cfcn cftc cfte cncp cnep cnet cntc cntf cpce cpep cpff cpft cpnt cptp ctcf ctcp ctec cten ctep ctfc ctne ctpp cttn eccc ecce ecct ecef ecfc ecne ecpp ect- ectc ectf eeee eefe eefn eent eetc eete efen efet eft- eftp ence enee enfp ennc enne enp- ent- ente entp epcc epec epee epen epfc eppc eppp epte etcc etec etee eten etfc etfe etne ette ettn fccf fccp fece fect feen feet fefc fefe feff fene fenn fent fepc fete fetp fett ffcc ffee ffff fftf fnet fp-c fpcc fpct ft-c ften ftfc ftpe nccc nccf nccn nccp ncct ncec ncee ncef ncen ncep ncfc ncfe ncnc ncpc nctc ncte necc nece nect neef neen neep neet nefe neff nene nent nepc nepe nept net- nete nett nfct nfff nftc nnnn nntn npcc nppc nptc npte nptn ntcc ntfc ntfp ntpc pccc pcce pcep pcfc pcnt pcpn pcpp pcte pece pect peec peen peep peet pefc peff pen- penc pene penn pent pepe pete petn pett pfce pfet pfff pfft pfte pnec pnet pnpp ppcc ppen pppn pppp pptn pptt ptcc pten pttc tccc tcep tcfc tcnn tctc tect teec teef teen teet tefc teff teft tenc tene tenn tenp tent tepe tepp tete tett tfec tfnp tfpt tftc tftp tncc tnef tnfc tpcp tppp tpte tptp ttcn ttcp tten ttfc ttff ttfn tttt