dddd ddre dedd dede dedu deed deel deep deer deet deld dele dell delp delt depe depp depr dept der- dere derp derr dete detr deue deul deur deut dpdt dper dpll dred dree drel dret drue drup drut druu dtdp dted dtle dtpl dtrl dttp dudd dude dudu duel duer duet dule dull dult dulu dupe dure durt duru dute dutp duul duur duut edde eddp ede- edel eder edle edru edup edur eede eedu eeee eele eete eetu el-p elde eldr eled elee eler elet elle ellu elpe elte elue elul epee eper eple epll eppp eprp epte erde ered erel erer eret erld erle erll erpe erre ertl ertu erur etee etel eter etre ette ettu eude euer eule eur- eure eurt lddp le-u lede ledt leed leel leep leer leet lele lell lelu lepe lepp lept lerd lere lerp lert lete lett leud leur lldp llet lleu llll llud lppl lprp lrdd lrpu lrrr ltee lttr ludd lude lued luer lule lull lulu lupe lupu lurd lure lurt lute luup pdpr ped- pede peed peel peep peer peet pel- pele pell pelt pelu pepd pepe per- perd pere perl perp perr pert peru pete petr pett peul peur peut pldt ple- pled plee plet pleu plpp pltt plud plue plup plur pper pple pppd pppp ppru pptt ppur pre- pred pree prel prep pret preu prle prlr prpd prrd prtp prtr prud prue prut pruu pter ptld ptpd ptrd pu-e pudu pued puel puer puet pueu pule pull pulp pult pulu pupe pupl pupu pur- pure purl purp purr puru put- pute putt putu rder redd rede redl redr redu reed reel reep reet reld rele rell relp relt repe repl repp repr rept repu rerd rere rert reru retd rete retr rett reue reul reup reut reuu rldt rlee rleu rpdp rpet rptd rred rrle rrrr rtdt rtee rtle rtlt rttp rudd rude rudl rudp rued ruel ruer ruet rule rull rupe rupp rupt rurd rure rurp ruru rute rutl rutt rutu ruud tedd tede teed teel teer teet tel- teld tele tell telt telu tepe tepp tepu ter- tere terp terr teru tete tetr tett tetu teut tldp tldr tpdu tped tper tpld tppd tppp tppr tpte tptp tptr tput tre- tred tree tret treu trpe trpp trte trtr trud true trut truu tter tttt ttul tude tudu tuel tuer tuet tule tull tulp tulu tupe tupu turd ture turp turr turt turu tute tutl tutt tutu u-rp udel uder udet udpd uele uell ulde ulee ulle ullr ultt ulul uped uppe uppp uppu uptl upup urde urdu ure- ured uret urle urre urte urup urur urut utel utep uter utpd uttu uulu uuuu