-ene cccc cccu ccee ccnc ccne ccnu cctc cctt ccuc ccut cec- cece cect ceec cen- cene cent cet- cete cnet cntc cnut ctec cten ctne cttn cucc cuce cucn cune cunt cut- cutc cute cutt eccc ecce ecct ecne ect- ectc eeee eent eetc eete eetu ence enee ennc enne ennu ent- ente enue enut etcc etec etee eten etne ette ettn ettu etun nccc nccn ncct nccu ncec ncee ncen ncnc nctc ncte ncue necc nece nect neen neet nene nent nenu net- nete nett neuc neue neun neut neuu nnnn nntn ntcc nteu ntnu ntuc nuce nucu nuee nunc nune nunn nunt nute nutt nutu tccc tccu tcnn tctc tect teec teen teet tenc tene tenn tent tenu tete tett tetu teut tncc tnut ttcn tten tttt tucc tuen tuet tunc tune tunn tunu tute tutt tutu ucut uncc unce unct unec unee unen unne unte unut utec utne uttu uuen uuuu