-ene c-cd cccc cccf cccu ccdc ccdf ccdn ccdr cced ccee ccfc ccfd ccff ccnc ccne ccnf ccnr ccnu ccrc ccre ccrf ccuc cd-e cd-r cddr cdec cdef cder cdfe cdnc cdnf cdre cec- cece cedd cede cedu ceec cef- cefc cefn ceke cen- cend cene cer- cerc cerd cere cerf cern cfcf cfcn cffr cfnr cfre cfrn cfun ckck ckdu cken cker ckfr cknc ckrc ckrd cndd cnrc cnrr crcc crce crcr crdc cre- crec cred cree cren creu crfc crkc crne crud crue cruk crun cucc cuce cuck cucn cude cued cuek cuer cufc cuff cuk- cuke cund cune curd cure curf curn curr dccc dccu dcfc dcrk dddd ddrc ddre dec- decc decd dece deck dedd dede dedu deed deef deek deen deer defe deff defn dek- deke dene denk denn denu der- derc dere derf derk dern derr deue deuk deur dfcc dfcu dfer dfrf dkdc dnce dner dnrc dnuk dred dree dref drek dren drfc drue druk druu duce duck dudd dude dudu duer dufc duff dufu duke duku dunc dune dunk dunn dure durk durn duru duur eccc ecce ecdc ecdf eced ecef ecfc ecfr ecne ecrc ecrf ecrr ecru eddc edde ede- eden eder edfu edrn edru educ edun edur eede eedu eeee eefe eefn eeke eend eerc efen efke eked ekek eken eker ekfc ekne ekur ence end- ende endu ened enee ener enke enkr ennc enne ennu enue enuf enur ercc erce erde erdf erec ered eren erer erfc erke erne errc erre eruc erur eucd eude euer eufc eur- eurc eure f--k fccf fcuk fece feck fede fedn feed feek feen feer fefc fefe feff feke fend fene fenk fenn ferc ferd fere ferk fern ferr feru feud ffcc ffee ffff ffrr ffun fndd fndn fndr fnuf frcc frcn fred free fren frfc frue frun fuc- fuck fudd fude fufc fuff fufu fuke fukk fuku fund fune funf funk fur- fure furn furr kccc kccd kcck kccr kccu kcdc kcdd kcdr kcdu kcec kced kcee kceu kcfc kcfd kcfn kckc kckf kckk kckn kckr kcnd kcnr kcrc kcrn kcrr kcru kcue kcuf kcuk kdcc kdcd kdce kdcr kddc kddd kddf kddk kddr kdec kdef kden kdfc kdfn kdfr kdkd kdkk kdkn kdkr kdnd kdne kdnk kdnn kdnr kdrf kduc kdun kdur keck kecr kedc kedd kede kedr keed keef keek keen keer kefc keff kefr kekc keke keku ken- kend kene kenk kenn kenr kenu ker- kerc kere kerf kerk kern kerr keru keun keur kfcd kfcf kfcr kfdn kfed kfer kfff kffk kffn kfnc kfnf kfnk kfnn kfrc kfrd kfre kfrn kfrr kfru kfun kkcd kkck kkcn kkcr kkdc kkdd kked kken kkfn kkfr kkkk kknd kkne kknn kknu kkrc kkre kkrf kkrk kkrn kkrr kkuu knce knck kncn kncr kncu kndc kndd knde kndf kndk kndn kndr kndu knec kned knee knef knek knen kneu knfr knkk knnd knnk knnr knrk knud knue knuk knur krcc krcd krce krcn krcu krdc krdd krde krdr krdu krec kred kree kref krek kren kreu krfc krfd krfe krff krfn krkc krkd krke krkk krkn krkr krku krnd krne krnk krnn krnu krrc krre krrf krrk krrn krrr kruc krue kruf kruk krun krur kucc kucd kuce kucr kudd kude kudu kued kuek kuen kueu kufc kuff kufn kufr kuke kukk kukn kuku kunc kund kune kunk kunr kunu kurd kure kurk kurr kuru kuuk kuur kuuu nccc nccf nccn nccr nccu ncdc ncdn ncdr ncdu ncec nced ncee ncef ncen ncer ncfc ncfe ncnc ncnd ncrc ncre ncue ncuk ndcc ndde nder ndrc ndre ndrf necc nece neck necr nedc nedd nede nedu need neef neen neer nefd nefe neff neke neku nend nene nenu nerc nerd nere nerf nerk nerr neru neuc neue neuf neuk neun neur neuu nfcu nfdc nfer nfff nkfc nkrf nnnn nrdc nren nrfc nrrc nrrd nuce nuck nucu nudc nudd nude nuee nuer nuff nuke nuku nunc nune nunk nunn nurc nurd nure nurn nurr nuru nuuk rccc rcdc rcde rcfc rcnr rcrd rder recc recd rece reck recr recu redc redd rede redr redu reed reef reek reen refd refe reff refn refr refu reke rend rene renk renn renu rerd rere reru reue reuf reuk reuu rfef rffc rkkf rndc rndf rred rrfc rrrr rrun ruce ruck rudd rude rued ruen ruer rufc rufe ruff ruke rukk rukn ruku runc rund rune runf runk runn rurc rurd rure ruru ruud ruun ucdc ucdd ucrc uden uder uduk udun uend ufcu ufer uffe ufuk ukcc ukek ukeu uknc ukrc ukur uncc unce uncf unde unec uned unee unef unen uner unfd unke unkn unne unrf urde urdu ure- ured urfe urff urke urne urre uruk urun urur uuen uuuu