-ene dddd ddre dedd dede dedu deed deen deep deer dene denn denu depe depp depr der- dere dern derp derr deue deur dner dper dred dree dren drue drup druu dudd dude dudu duer dune dunn dupe dure durn duru duur edde eddp ede- eden eder edrn edru edun edup edur eede eedu eeee eend end- ende endu ened enee ener enne ennu enp- enue enur epee epen eper eppp eprp erde ered eren erer erne erpe erre erur eude euer eur- eure n-up ndde nder ndnp ndpd ndpr ndre nedd nede nedu need neen neep neer nend nene nenu nepe nepr nerd nere nerr neru neue neun neur neuu nnnn nnpr nppd nren nrpn nrrd nudd nude nuee nuer nune nunn nupe nurd nure nurn nurp nurr nuru pdpn pdpr ped- pede peed peen peep peer pen- pend pene penn penu pepd pepe per- perd pere pern perp perr peru peun peur pneu pnpp pnup ppen pper pppd pppn pppp ppru ppur pre- pred pree pren prep preu prnd prnp prpd prrd prud prue pruu pu-e pudu pued puer pueu pund pune punu pupe pupu pur- pure purp purr puru rder redd rede redr redu reed reen reep rend rene renn renu repe repp repr repu rerd rere reru reue reup reuu rndp rpdp rppn rred rrrr rrun rudd rude rudp rued ruen ruer rund rune runn rupe rupp rurd rure rurp ruru ruud ruun u-rp uden uder udpd udun uend unde uned unee unen uner unne uped upen upne upnp uppe uppp uppu upup urde urdu ure- ured urne urre urun urup urur uuen uuuu