dddd ddot ddpo ddre dedd dede dedo deed deep deer deet deop deor depe depo depp depr dept der- dere dero derp derr dete deto detr dod- dodd dode dodo doer dood doop door doot dope dopo dopp dopr dopt dord dore doro dorp dorr dort dotd dote doto dott dpdt dper dred dree dret drod drop drot dtdp dted dtor dtot dttp edde eddo eddp ede- eder edod eede eeee eero eete eode eore eotd eoto epee eper epod epor epot eppo eppp epro eprp epte erde ered erer eret erod eroe eroo erpe erre erro etee eter etoe etre etro ette etto o-eo oddd oded odeo oder odet odoo odop odor odot odrp oedo oere ooer oooo oord oore oort ootp oped opep oper opet opo- opor oppo opto orde ordo ore- ored oreo orer oro- oroe oror orot orpe orro orte orto oted otee otep oter oto- otoe otoo otor otpp otre otro otte otto pdpr ped- pede pedo peed peep peer peet peor pepd pepe pepo per- perd pere pero perp perr pert pete peto petr pett pod- podd pode podo poed poer poet pood poop poor poot pop- pope popo popp popt pore poro porr port potd pote poto pott pper ppod pppd pppo pppp pptt pre- pred pree prep pret pro- prod proe proo prop prot prpd prrd prtp prtr pter ptop ptpd ptrd rder redd rede redo redr reed reep reet reod reop reot repe repo repp repr rept rerd rere rero rert retd rete reto retr rett rodd rode rodo roed roer roet rood roop roor root rope ropo rore roro rort rote roto rotr rott rpdp rpet rpoe rptd rred rrrr rtdt rtee rttp tdor tedd tede teed teer teet teor tepe tepp ter- tere tero terp terr tete teto tetr tett todd tode todo todt toed toee toer toet tood toor toot top- topd tope topo topp topt tord tore toro torp torr tort totd tote toto totr tott tped tper tppd tppp tppr tpte tptp tptr tre- tred tree treo tret trod troe troo trop trot trpe trpp trte trtr tteo tter ttoe ttop tttt