-ene c-cd cccc cccu ccdc ccdn ccdr cced ccee ccnc ccne ccnr ccnu ccrc ccre ccuc cd-e cd-r cddr cdec cder cdnc cdre cec- cece cedd cede cedu ceec cen- cend cene cer- cerc cerd cere cern cndd cnrc cnrr crcc crce crcr crdc cre- crec cred cree cren creu crne crud crue crun cucc cuce cucn cude cued cuer cund cune curd cure curn curr dccc dccu dddd ddrc ddre dec- decc decd dece dedd dede dedu deed deen deer dene denn denu der- derc dere dern derr deue deur dnce dner dnrc dred dree dren drue druu duce dudd dude dudu duer dunc dune dunn dure durn duru duur eccc ecce ecdc eced ecne ecrc ecrr ecru eddc edde ede- eden eder edrn edru educ edun edur eede eedu eeee eend eerc ence end- ende endu ened enee ener ennc enne ennu enue enur ercc erce erde erec ered eren erer erne errc erre eruc erur eucd eude euer eur- eurc eure nccc nccn nccr nccu ncdc ncdn ncdr ncdu ncec nced ncee ncen ncer ncnc ncnd ncrc ncre ncue ndcc ndde nder ndrc ndre necc nece necr nedc nedd nede nedu need neen neer nend nene nenu nerc nerd nere nerr neru neuc neue neun neur neuu nnnn nrdc nren nrrc nrrd nuce nucu nudc nudd nude nuee nuer nunc nune nunn nurc nurd nure nurn nurr nuru rccc rcdc rcde rcnr rcrd rder recc recd rece recr recu redc redd rede redr redu reed reen rend rene renn renu rerd rere reru reue reuu rndc rred rrrr rrun ruce rudd rude rued ruen ruer runc rund rune runn rurc rurd rure ruru ruud ruun ucdc ucdd ucrc uden uder udun uend uncc unce unde unec uned unee unen uner unne urde urdu ure- ured urne urre urun urur uuen uuuu