dddd ddre dedd dede dedu deed deel deep deer deld dele dell delp depe depp depr der- dere derp derr deue deul deur deux dex- dexe dlux dper dpll dppx dred dree drel drue drup druu dudd dude dudu duel duer dule dull dulu dupe dure duru duul duur dxdr dxed dxel dxep dxll dxlr dxrd dxre dxrl dxrp dxrr dxrx dxue dxur dxxl dxxr dxxx edde eddp ede- edel eder edex edle edru edup edur edxl eede eedu eeee eele el-p elde eldr eled elee eler elex elle ellu elpe elue elul epee eper eple epll eppp eprp epxp er-x erde ered erel erer erld erle erll erpe erre erur eude euer eule eur- eure exed exel exer expr exrx exul lddp le-u lede leed leel leep leer lele lell lelu lepe lepp lerd lere lerp leud leur lexx lldp lleu llll llud lppl lprp lrdd lrpu lrrr ludd lude lued luer lule lull lulu lupe lupu lurd lure luup luxe lxde lxxx pdpr ped- pede peed peel peep peer pel- pele pell pelu pepd pepe per- perd pere perl perp perr peru peul peur ple- pled plee pleu plex plpp plud plue plup plur pper pple pppd pppp ppru ppur pre- pred pree prel prep preu prex prle prlr prpd prrd prud prue pruu pu-e pudu pued puel puer pueu pule pull pulp pulu pupe pupl pupu pur- pure purl purp purr puru puxe rder redd rede redl redr redu redx reed reel reep reld rele rell relp repe repl repp repr repu rerd rere reru reue reul reup reuu reux rexx rlee rleu rpdp rred rrle rrrr rudd rude rudl rudp rued ruel ruer rule rull rupe rupp rurd rure rurp ruru ruud u-rp udel uder udpd uele uell ulde ulee ulex ulle ullr ulul uped uppe uppp uppu upup urde urdu ure- ured urex urle urre urup urur uulu uuuu uxue uxul x-ed xeer xer- xexe xlpe xpdl xper xrep xuld xupl xuxu xxxx