dddd ddre dedd dede deed deep deer depe depp depr der- dere derp derr dhed dhee dher dhpr dper dphp dpph dred dree dreh edde eddp ede- edeh eder eede eeee ehdd eheh eher ehre epee eper eph- eppp eprp erde ered erer erpe erre hedd hede hedp heed heep heer hehe hepe hepp herd here herp herr hhhh hpdh hppe hree hrpp pdpr ped- pede peed peep peer pehe pehr pepd pepe per- perd pere perh perp perr phe- phrr pper pppd pppp pre- pred pree prep prpd prrd rder redd rede redh redr reed reep rehe repe repp repr rerd rere rhee rpdp rred rrrr