dddd ddre dedd dede deed deek deep deer dek- deke depe depp depr der- dere derk derp derr dper dprk dred dree drek edde eddp ede- eder eede eeee eeke eked ekek eker ekpe epee eper eppp eprp erde ered erer erke erpe erre kddd kddk kddr kdep kdkd kdkk kdkr kdpr kedd kede kedp kedr keed keek keep keer keke kep- kepd kepe ker- kere kerk kerp kerr kkdd kked kkkk kkpk kkre kkrk kkrr kpdr kpek kper kpke kpkk kpkr kppd kppk kppp kppr kprd kpre kprk kprp kprr krdd krde krdr kred kree krek krkd krke krkk krkr krpr krre krrk krrr pdpr ped- pede peed peek peep peer peke pekk pepd pepe per- perd pere perk perp perr ppdk pper pppd pppp pre- pred pree prek prep prpd prrd rder redd rede redr reed reek reep reke repe repp repr rerd rere rpdp rred rrrr