-tree d-mer ddddd ddrmm ddrum dedde dedee deder dedur dedut deede deeme deepe deepp deepu deere demer demet demme dempt demre demur depue derde dered derm- derme derpt derre derue derum deter detre dette detur deure deut- drdre dredd drede dreed dreep drepe drere drude drumm drupe dtpmp duded duder duere duerr duete duett dueup dumme dumpt dumre duped duper dured duree durer duret durre durte durtu durum dutte e-dee e-med edder eddre edere edmed edred edrum edtmp eeeee eeped eepee eerde emede emeer emere emert emmer emmet empee empte emtee emure epure erdem erdre erdut erede erem- erept erere erred errtu erte erter erump erupt etete etree etter etude eturu eum-u eurre medee medem meder medeu medue meede meemu meere meete memer merde mered merer meret merre merte merur meted meter metr- metre mette metup metur meudt meuer meure meute mmmmm mpdrm mpret mreru mrmet mrred mt-td mt-te mt-tm mt-tp mt-tr mt-tt mtepe mtree mtume mudde muddu mumme mummu muppu murde murdu mured muret mureu murre murru murud murum murup murut muted muter mutet mutum p-rep pedee pedum peedu peere peert peete pepee peppe pept- pepup perde perdu perer peret perre perte perur peter petr- petre petru pette petur peude peure prede preem preme premp prepd prete prude prute pter- ptere ptprd ptpre ptprm ptprr ptprt ptpru pudde puder pudur puett pumpe pupet puppe pured puree purer purre purte purum puter putre putt- putte puttu putup re-up redde redem reder redup redur reede reeme reepe reere remed remee remer remet remue repet reppe reprt reptd reput rerde rere- reree reret rerum reted retee retem reter rette reuer reuet reume reute rmutt ruder ruede ruere ruete rumer rummu rumpt rupee ruper rurde ruter rutte ruutu teder teeme teemu teepe teerd teeup temed tempe tempt tepee tepet tepeu teppu terem teret tereu terme terre tert- teter tetr- tette treed treer treet treme tremp trepp trept trere trete trett treut trude trued truer trume trump trupt trute ttttt tuder tudre tudur tumed tumut tupee turem turet turre turtu turup turut tutee tutte tuuru udder udept udert uedem umeer umeme ummed umped umred umudu upedu upeet upmet upped upper upput upter urdee ureme urter urupe urutu uter- utmer utrum utter uttur uturu uuuuu