runed urned rnued nrued unred nured ruend urend reund erund uernd eurnd rneud nreud renud ernud nerud enrud unerd nuerd uenrd eunrd neurd enurd runde urnde rnude nrude unrde nurde rudne urdne rdune drune udrne durne rndue nrdue rdnue drnue ndrue dnrue undre nudre udnre dunre ndure dnure ruedn uredn reudn erudn uerdn eurdn ruden urden rduen druen udren duren redun erdun rdeun dreun edrun derun uedrn eudrn udern duern edurn deurn rnedu nredu rendu erndu nerdu enrdu rndeu nrdeu rdneu drneu ndreu dnreu rednu erdnu rdenu drenu edrnu dernu nedru endru nderu dneru ednru denru unedr nuedr uendr eundr neudr enudr under nuder udner duner nduer dnuer uednr eudnr udenr duenr edunr deunr nedur endur ndeur dneur ednur denur
Note: these 'words' (valid or invalid) are all the permutations of the word runed. These words are obtained by scrambling the letters in runed.