dddd ddpo ddre dedd dede dedo deed deep deer deop deor depe depo depp depr der- dere dero derp derr dod- dodd dode dodo doer dood doop door dope dopo dopp dopr dord dore doro dorp dorr dper dred dree drod drop edde eddo eddp ede- eder edod eede eeee eero eode eore epee eper epod epor eppo eppp epro eprp erde ered erer erod eroe eroo erpe erre erro o-eo oddd oded odeo oder odoo odop odor odrp oedo oere ooer oooo oord oore oped opep oper opo- opor oppo orde ordo ore- ored oreo orer oro- oroe oror orpe orro pdpr ped- pede pedo peed peep peer peor pepd pepe pepo per- perd pere pero perp perr pod- podd pode podo poed poer pood poop poor pop- pope popo popp pore poro porr pper ppod pppd pppo pppp pre- pred pree prep pro- prod proe proo prop prpd prrd rder redd rede redo redr reed reep reod reop repe repo repp repr rerd rere rero rodd rode rodo roed roer rood roop roor rope ropo rore roro rpdp rpoe rred rrrr