dddd ddre dedd dede dedu deed deef deel deep deer defe deff deld dele delf dell delp depe depp depr der- dere derf derp derr deue deul deur dfer dfrf dper dpll dred dree dref drel drue drup druu dudd dude dudu duel duer duff dufu dule dull dulu dupe dure duru duul duur edde eddp ede- edel eder edfl edfu edle edru edup edur eede eedu eeee eefe eefl eele el-p elde eldr eled elee elef eler elfe elle ellu elpe elue elul epee eper eple epll eppp eprp erde erdf ered erel erer erld erle erll erpe erre erur eude euer eule eur- eure fdlr fede feed feel feer fefe feff feld fele felf fell ferd fere ferr feru feud ffee ffff ffrr fldr fled flee fler flud flue fluf flur fpdl fprf fred free frep frpd frue fudd fude fuel fuff fufu fule full fulu fur- fure furl furr lddp le-u lede leed leef leel leep leer lefe leff lele lell lelu lepe lepp lerd lere lerp leud leur lfrd lldp llef lleu llll llud lpfp lppl lprp lrdd lrpu lrrr ludd lude lued luef luer lufe luff lufu lule lull lulu lupe lupu lurd lure luup pdpr ped- pede pedf peed peel peep peer peff pel- pele pelf pell pelu pepd pepe per- perd pere perf perl perp perr peru peul peur pfff pffr ple- pled plee pleu plff plpp plud plue plup plur pper pple pppd pppp pprf ppru ppur pre- pred pree pref prel prep preu prle prlr prpd prrd prud prue pruf pruu pu-e pudu pued puel puer pueu puff pule pull pulp pulu pupe pupl pupu pur- pure purl purp purr puru rder redd rede redl redr redu reed reef reel reep refd refe reff refl refr refu reld rele rell relp repe repl repp repr repu rerd rere reru reue reuf reul reup reuu rfef rffl rlee rlef rleu rpdp rred rrle rrrr rudd rude rudl rudp rued ruel ruer rufe ruff rule rull rupe rupp rurd rure rurp ruru ruud u-rp udel uder udpd uele uell ufel ufer uffe ulde ulee ulfe ulle ullr ulul updf uped uppe uppp uppu upup urde urdu ure- ured urfe urff urle urre urup urur uulu uuuu