-ene c-cd cccc cccp cccu ccdc ccdn ccdp ccdr cced ccee ccnc ccne ccnp ccnr ccnu ccpe ccpn ccpp ccpr ccrc ccre ccrp ccuc ccup cd-e cd-r cddr cdec cder cdnc cdre cec- cece cecp cedd cede cedu ceec ceke cen- cend cene cepc cepe cepp cepr cer- cerc cerd cere cern cerp ckck ckdu cken cker cknc ckpc ckpr ckrc ckrd cncp cndd cndp cnep cnrc cnrr cpce cpcu cpep cper cppd cpre crcc crce crcr crdc cre- crec cred cree cren crep creu crkc crkp crne crpc crud crue cruk crun crup cucc cuce cuck cucn cude cued cuek cuer cuk- cuke cund cune cunp cupe cupp cupr curd cure curn curr dccc dccp dccu dcrk dcup dddd ddrc ddre dec- decc decd dece deck dedd dede dedu deed deek deen deep deer dek- deke dene denk denn denu depc depe depp depr der- derc dere derk dern derp derr deue deuk deur dkdc dnce dner dnrc dnuk dpcp dper dppc dprk dred dree drek dren drue druk drup druu duce duck dudd dude dudu duer duke duku dunc dune dunk dunn dupe dure durk durn duru duur eccc ecce ecdc eced ecne ecpd ecpp ecrc ecrr ecru eddc edde eddp ede- eden eder edrn edru educ edun edup edur eede eedu eeee eeke eend eerc eked ekek eken eker ekne ekpe ekur ence end- ende endu ened enee ener enke enkr ennc enne ennu enp- enue enur epcc epec epee epen eper eppc eppp eprp ercc erce ercp erde erec ered eren erer erke erne erpe errc erre eruc erur eucd eude euer eur- eurc eure kccc kccd kcck kccr kccu kcdc kcdd kcdr kcdu kcec kced kcee kcep kceu kckc kckk kckn kckr kcnd kcnp kcnr kcpc kcpn kcpr kcpu kcrc kcrn kcrp kcrr kcru kcue kcuk kcup kdcc kdcd kdce kdcr kddc kddd kddk kddr kdec kden kdep kdkd kdkk kdkn kdkr kdnd kdne kdnk kdnn kdnr kdpr kduc kdun kdup kdur keck kecr kedc kedd kede kedp kedr keed keek keen keep keer kekc keke keku ken- kend kene kenk kenn kenr kenu kep- kepc kepd kepe kepn kepu ker- kerc kere kerk kern kerp kerr keru keun keup keur kkcd kkck kkcn kkcr kkdc kkdd kked kken kkkk kknd kkne kknn kknu kkpc kkpk kkpn kkrc kkre kkrk kkrn kkrr kkup kkuu knce knck kncn kncr kncu kndc kndd knde kndk kndn kndp kndr kndu knec kned knee knek knen knep kneu knkk knnd knnk knnr knpc knpr knrk knud knue knuk knur kpcc kpcr kpdc kpdr kpek kper kpke kpkk kpkr kpnc kpnd kpne kpnp kppc kppd kppk kppp kppr kprc kprd kpre kprk kprn kprp kprr kpru kpur 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 krnp krnu krpr krpu krrc krre krrk krrn krrr kruc krue kruk krun krup krur kucc kucd kuce kucp kucr kudd kude kudu kued kuek kuen kueu kuke kukk kukn kuku kunc kund kune kunk kunp kunr kunu kupd kupe kupr kupu kurd kure kurk kurr kuru kuuk kuur kuuu n-up nccc nccn nccp nccr nccu ncdc ncdn ncdr ncdu ncec nced ncee ncen ncep ncer ncnc ncnd ncpc ncrc ncre ncrp ncue ncuk ndcc ndcp ndde nder ndnp ndpd ndpr ndrc ndre necc nece neck necr nedc nedd nede nedu need neen neep neer neke neku nend nene nenu nepc nepe nepr nerc nerd nere nerk nerr neru neuc neue neuk neun neur neuu nnnn nnpr npcc nppc nppd nrdc nren nrpc nrpn nrrc nrrd nuce nuck nucu nudc nudd nude nuee nuer nuke nuku nunc nune nunk nunn nupe nurc nurd nure nurn nurp nurr nuru nuuk pccc pcce pcep pcer pcpn pcpp pcrc pcrd pcre pcun pdcp pdpn pdpr pdrc pece peck pecr ped- pede peec peed peek peen peep peer peke pekk pen- penc pend pene penk penn penu pepd pepe per- perc perd pere perk pern perp perr peru peun peur pnec pneu pnkd pnkp pnpp pnup ppcc ppcd ppdk ppen pper pppd pppn pppp pprc ppru ppur prcc prcd prcp pre- prec pred pree prek pren prep preu prnd prnp prpd prrd prud prue pruu pu-e puce puck pudu pued puer pueu puke puku punc pund pune punk punu pupe pupu pur- pure purp purr puru puuc rccc rcdc rcde rcep rcnr rcpd rcrd rder rdpc recc recd rece reck recp recr recu redc redd rede redr redu reed reek reen reep reke rend rene renk renn renu repe repp repr repu rerd rere reru reue reuk reup reuu rncp rndc rndp rpdp rppn rred rrrr rrun ruce ruck rudd rude rudp rued ruen ruer ruke rukk rukn ruku runc rund rune runk runn rupe rupp rurc rurd rure rurp ruru ruud ruun u-rp uccp ucdc ucdd ucrc uden uder udpd uduk udun uend ukcc ukek ukeu uknc ukrc ukup ukur uncc unce uncp unde unec uned unee unen uner unke unkn unne unpc uped upen upne upnp uppc uppe uppp uppu upup urde urdu ure- ured urke urne urre uruk urun urup urur uucp uuen uuuu