dddd ddre dedd dede dedu deed deem deer deet dem- demd deme demu der- dere derm derr dete detr deue deum deur deut dmdt dred dree drem dret drue drum drut druu dted dudd dude dudu duer duet dume dumm dure durt duru dute duur duut edde eddm ede- edem eder edme edrm edru edur eede eedu eeee eete eetu emdt emer emet emeu emme emmu emre emte erde ered erem erer eret erme erre ertu erum erur etee etem eter etre etrm ette ettu eude eudm euer eur- eure eurt mddm mdme mdud medd mede medu meed meem meer meet meme memr memu mer- merd mere merm mert meru met- mete mett metu meum mmmd mmmm 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 rder redd rede redr redu reed reem reet reme rerd rere rert reru retd rete retr rett reue reut reuu rmtu rred rrrr rrum rtdt rtee rudd rude rued ruer ruet rume rumm rumt rurd rure ruru rute rutt rutu ruud tedd tede tedm teed teem teer teet teme temu ter- tere term terr teru tete tetr tett tetu teut tmed tmtt tre- tred tree trem tret treu trmd trmu trte trtr trud true trut truu tter tttt tude tudu tuer tuet tume tumu turd ture turm turr turt turu tute tutt tutu tuum udem uder udet umde umer umet umut urde urdu ure- ured uret urre urte urum urur urut uter uttu uuuu