dddd ddre dedd dede dedu deed deem deer deet dem- demd deme demu der- dere derm derr dete detr deue deum deur deut deux dex- dexe dext dmdt dred dree drem dret drue drum drut druu dted dttx dtxt dudd dude dudu duer duet dume dumm dure durt duru dute duur duut dxdr dxed dxme dxmr dxmt dxmx dxrd dxre dxrm dxrr dxrt dxrx dxue dxum dxur dxxr dxxx edde eddm ede- edem eder edex edme edrm edru edur eede eedu eeee eete eetu eext emdt emer emet emeu emex emme emmu emre emte er-x erde ered erem erer eret erme erre ertu erum erur etee etem eter etre etrm ette ettu etux eude eudm euer eur- eure eurt exed exer exmr exrx exte extr exum mddm mdme mdmx mdud medd mede medu meed meem meer meet meme memr memu memx mer- merd mere merm mert meru met- mete mett metu meum meux mexx mmdx mmmd mmmm mmxx mrdd mred mree mrmd mrtm mrtt mrud mtre mtrr mttr mudd mude mudu mued muee muet mume mumm mumu murd mure murr murt muru mute mutt mutu muut muxe muxu rder redd rede redr redu redx reed reem reet reme rerd rere rert reru retd rete retr rett reue reut reuu reux rexx rmtu rmxd rred rrrr rrum rtdt rtee rtex rudd rude rued ruer ruet rume rumm rumt rurd rure ruru rute rutt rutu ruud tedd tede tedm tedx teed teem teer teet teme temu ter- tere term terr teru tete tetr tett tetu tetx teut text tmed tmtt tmux tre- tred tree trem tret treu trex trmd trmu trte trtr trud true trut truu trux tter tttt tude tudu tuer tuet tume tumu turd ture turm turr turt turu tute tutt tutu tuum txtr udem uder udet uext umde umer umet umut urde urdu ure- ured uret urex urre urte urum urur urut uter uttu uuuu uxem uxue x-ed xdmx xeer xeme xemu xer- xert xexe xmdr xuxu xxxx