-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 ceke cen- cend cene cer- cerc cerd cere cern ckck ckdu cken cker cknc ckrc ckrd cndd cnrc cnrr crcc crce crcr crdc cre- crec cred cree cren creu crkc crne crud crue cruk crun cucc cuce cuck cucn cude cued cuek cuer cuk- cuke cund cune curd cure curn curr dccc dccu dcrk dddd ddrc ddre dec- decc decd dece deck dedd dede dedu deed deek deen deer dek- deke dene denk denn denu der- derc dere derk dern derr deue deuk deur dkdc dnce dner dnrc dnuk dred dree drek dren drue druk druu duce duck dudd dude dudu duer duke duku dunc dune dunk dunn dure durk durn duru duur eccc ecce ecdc eced ecne ecrc ecrr ecru eddc edde ede- eden eder edrn edru educ edun edur eede eedu eeee eeke eend eerc eked ekek eken eker ekne ekur ence end- ende endu ened enee ener enke enkr ennc enne ennu enue enur ercc erce erde erec ered eren erer erke erne errc erre eruc erur eucd eude euer eur- eurc eure kccc kccd kcck kccr kccu kcdc kcdd kcdr kcdu kcec kced kcee kceu kckc kckk kckn kckr kcnd kcnr kcrc kcrn kcrr kcru kcue kcuk kdcc kdcd kdce kdcr kddc kddd kddk kddr kdec kden kdkd kdkk kdkn kdkr kdnd kdne kdnk kdnn kdnr kduc kdun kdur keck kecr kedc kedd kede kedr keed keek keen keer kekc keke keku ken- kend kene kenk kenn kenr kenu ker- kerc kere kerk kern kerr keru keun keur kkcd kkck kkcn kkcr kkdc kkdd kked kken kkkk kknd kkne kknn kknu kkrc kkre kkrk kkrn kkrr kkuu knce knck kncn kncr kncu kndc kndd knde kndk kndn kndr kndu knec kned knee knek knen kneu knkk knnd knnk knnr knrk knud knue knuk knur krcc krcd krce krcn krcu krdc krdd krde krdr krdu krec kred kree krek kren kreu krkc krkd krke krkk krkn krkr krku krnd krne krnk krnn krnu krrc krre krrk krrn krrr kruc krue kruk krun krur kucc kucd kuce kucr kudd kude kudu kued kuek kuen kueu kuke kukk kukn kuku kunc kund kune kunk kunr kunu kurd kure kurk kurr kuru kuuk kuur kuuu nccc nccn nccr nccu ncdc ncdn ncdr ncdu ncec nced ncee ncen ncer ncnc ncnd ncrc ncre ncue ncuk ndcc ndde nder ndrc ndre necc nece neck necr nedc nedd nede nedu need neen neer neke neku nend nene nenu nerc nerd nere nerk nerr neru neuc neue neuk neun neur neuu nnnn nrdc nren nrrc nrrd nuce nuck nucu nudc nudd nude nuee nuer nuke nuku nunc nune nunk nunn nurc nurd nure nurn nurr nuru nuuk rccc rcdc rcde rcnr rcrd rder recc recd rece reck recr recu redc redd rede redr redu reed reek reen reke rend rene renk renn renu rerd rere reru reue reuk reuu rndc rred rrrr rrun ruce ruck rudd rude rued ruen ruer ruke rukk rukn ruku runc rund rune runk runn rurc rurd rure ruru ruud ruun ucdc ucdd ucrc uden uder uduk udun uend ukcc ukek ukeu uknc ukrc ukur uncc unce unde unec uned unee unen uner unke unkn unne urde urdu ure- ured urke urne urre uruk urun urur uuen uuuu