d-tv dddd ddre ddtv dedd dede deed deep deer deet deev depe depp depr dept der- dere derp derr derv dete detr deve dpdt dper dred dree dret drev dtdp dted dttp dvdr dvrp edde eddp ede- eder edtv edve eede eeee eete epee eper eppp eprp epte eptv erde ered erer eret erev erpe erre erve etee eter etre ette ever evet evre pdpr pdtv ped- pede peed peep peer peet peev pepd pepe per- perd pere perp perr pert perv pete petr pett pper pppd pppp pptt pptv pre- pred pree prep pret prev prpd prrd prtp prtr pter ptpd ptrd rder rdev redd rede redr reed reep reet reev repe repp repr rept rerd rere rert retd rete retr rett revd reve revp rpdp rpet rptd rred rrrr rtdt rtee rttp rtve rved rver tdtv tedd tede teed teer teet teev tepe tepp ter- tere terp terr tete tetr tett tped tper tppd tppp tppr tpte tptp tptr tre- tred tree tret trev trpe trpp trpv trte trtr tter tttt tver tvrr tvtv vder vdre vdtp vede veep veer veet vepe vepr ver- verd vere vert vete vetr veve vred vret vtpr vver vvvv