dddd ddre dedd dede dedu deed deek deep deer dek- deke depe depp depr der- dere derk derp derr deue deuk deur dper dprk dred dree drek drue druk drup druu dudd dude dudu duer duke duku dupe dure durk duru duur edde eddp ede- eder edru edup edur eede eedu eeee eeke eked ekek eker ekpe ekur epee eper eppp eprp erde ered erer erke erpe erre erur eude euer eur- eure kddd kddk kddr kdep kdkd kdkk kdkr kdpr kdup kdur kedd kede kedp kedr keed keek keep keer keke keku kep- kepd kepe kepu ker- kere kerk kerp kerr keru keup keur kkdd kked kkkk kkpk kkre kkrk kkrr kkup kkuu kpdr kpek kper kpke kpkk kpkr kppd kppk kppp kppr kprd kpre kprk kprp kprr kpru kpur krdd krde krdr krdu kred kree krek kreu krkd krke krkk krkr krku krpr krpu krre krrk krrr krue kruk krup krur kudd kude kudu kued kuek kueu kuke kukk kuku kupd kupe kupr kupu kurd kure kurk kurr kuru kuuk kuur kuuu pdpr ped- pede peed peek peep peer peke pekk pepd pepe per- perd pere perk perp perr peru peur ppdk pper pppd pppp ppru ppur pre- pred pree prek prep preu prpd prrd prud prue pruu pu-e pudu pued puer pueu puke puku pupe pupu pur- pure purp purr puru rder redd rede redr redu reed reek reep reke repe repp repr repu rerd rere reru reue reuk reup reuu rpdp rred rrrr rudd rude rudp rued ruer ruke rukk ruku rupe rupp rurd rure rurp ruru ruud u-rp uder udpd uduk ukek ukeu ukup ukur uped uppe uppp uppu upup urde urdu ure- ured urke urre uruk urup urur uuuu