-ene c-cd cccc cccf ccdc ccdf ccdn cced ccee ccfc ccfd ccff ccnc ccne ccnf cctc cctt cd-e cdec cdef cdfe cdnc cdnf cec- cece cect cedd cede cedt ceec cef- cefc cefn cen- cend cene cent cet- cete cfcf cfcn cftc cfte cndd cnet cntc cntf ctcf ctec cten ctfc ctne cttn dccc dcct dcfc dctc dddd dec- decc decd dece dect dedd dede deed deef deen deet defe deff defn deft dene denn dent dete detn dfcc dfdt dnce dnet dntt dtcc dted dten dtfc eccc ecce ecct ecdc ecdf eced ecef ecfc ecne ect- ectc ectf eddc edde ede- eden eede eeee eefe eefn eend eent eetc eete efen efet eft- ence end- ende ened enee ennc enne ent- entd ente etcc etec etee eten etfc etfe etne ette ettn fccf fdtc fece fect fede fedn feed feen feet fefc fefe feff fend fene fenn fent fete fett ffcc ffee ffff fftf fndd fndn fnet ft-c ftcd ften ftfc nccc nccf nccn ncct ncdc ncdn ncec nced ncee ncef ncen ncfc ncfe ncnc ncnd nctc ncte ndcc ndde ndnt ndtc necc nece nect nedc nedd nede need neef neen neet nefd nefe neff nend nene nent net- netd nete nett nfct nfdc nfff nftc nnnn nntn ntcc ntfc ntnd tccc tcdd tcfc tcnn tctc tdff tect tedd tede teec teed teef teen teet tefc teff teft tenc tend tene tenn tent tete tett tfdc tfec tftc tncc tndd tndf tnef tnfc ttcn tten ttfc ttff ttfn tttt