dddd ddre dedd dede dedu deed deel deem deer deet deld dele dell delt dem- demd deme demu der- dere derm derr dete detr deue deul deum deur deut dmdt dred dree drel drem dret drue drum drut druu dted dtle dtrl dudd dude dudu duel duer duet dule dull dult dulu dume dumm dure durt duru dute duul duur duut edde eddm ede- edel edem eder edle edme edrm edru edur eede eedu eeee eele eete eetu elde eldr eled elee elem eler elet elle ellu elme elml elte elue elul elum emdt emel emer emet emeu emle emlm emme emml emmu emre emte emul erde ered erel erem erer eret erld erle erll erme erre ertl ertu erum erur etee etel etem eter etre etrm ette ettu eude eudm euer eule eur- eure eurt lddm le-u lede ledt leed leel leem leer leet lele lell lelu leme lemm lemu lerd lere lerm lert lete lett leud leur llet lleu llll llud lmmr lrdd lrmt lrrr ltee lttr ludd lude lued luer lule lull lulu lume lurd lure lurt lute mddl mddm mdel mdme mdud medd mede medu meed meel meem meer meet mel- meld mele mell melt meme meml memr memu mer- merd mere merl merm mert meru met- mete mett metu meum mldr mlle mltr mmdl mmmd mmmm mrdd mred mree mrmd mrml mrtm mrtt mrud mtel mtld mtle mtre mtrl mtrr mttr mudd mude mudl mudu mued muee muel muet muld mule mull mulm mult mulu mume mumm mumu murd mure murl murr murt muru mute mutt mutu muut rder redd rede redl redr redu reed reel reem reet reld rele rell relm relt reme rerd rere rert reru retd rete retr rett reue reul reut reuu rldt rlee rleu rlml rmll rmtu rred rrle rrrr rrum rtdt rtee rtle rtlt rtml rudd rude rudl rued ruel ruer ruet rule rull rume ruml rumm rumt rurd rure ruru rute rutl rutt rutu ruud tedd tede tedm teed teel teem teer teet tel- teld tele tell telt telu teme temu ter- tere term terr teru tete tetr tett tetu teut tldr tmed tmtt tre- tred tree trem tret treu trmd trml trmu trte trtr trud true trut truu tter ttml tttt ttul tude tudu tuel tuer tuet tule tull tulu tume tumu turd ture turm turr turt turu tute tutl tutt tutu tuum udel udem uder udet uele uell ulde ulee ulle ullr ulme ulmu ultt ulul ulum umde umer umet umut urde urdu ure- ured uret urle urre urte urum urur urut utel uter uttu uulu uuuu