-ene cccc ccee ccgc ccgt ccnc ccne cctc cctt cec- cece cect ceec cege cen- cene ceng cent cet- cete cgcc cgcg cnet cntc ctec cten ctge ctne cttn eccc ecce ecct ecne ect- ectc eeee eeng eent eetc eete egcc egcg egec egee egge egne egnt egte ence enee eneg enge engg ennc enne ent- ente etcc etec etee eten etne ette ettn gc-c gccc gcet gctc gece geen geet gege gegg gen- genc gene geng genn gent gete getg gett gggg gncc gnet gngc nccc nccn ncct ncec ncee ncen ncnc nctc ncte necc nece nect neen neet nege nene neng nent net- nete nett ngen ngtn nngn nnnn nntn ntcc tccc tcnn tctc tect teec teen teet tegg tegt tenc tene teng tenn tent tete tett tgcc tgtc tncc tnge ttcn tten tttt