guned ugned gnued ngued unged nuged guend ugend geund egund uegnd eugnd gneud ngeud genud egnud negud engud unegd nuegd uengd eungd neugd enugd gunde ugnde gnude ngude ungde nugde gudne ugdne gdune dgune udgne dugne gndue ngdue gdnue dgnue ndgue dngue undge nudge udnge dunge nduge dnuge guedn ugedn geudn egudn uegdn eugdn guden ugden gduen dguen udgen dugen gedun egdun gdeun dgeun edgun degun uedgn eudgn udegn duegn edugn deugn gnedu ngedu gendu egndu negdu engdu gndeu ngdeu gdneu dgneu ndgeu dngeu gednu egdnu gdenu dgenu edgnu degnu nedgu endgu ndegu dnegu edngu dengu unedg nuedg uendg eundg neudg enudg undeg nudeg udneg duneg ndueg dnueg uedng eudng udeng dueng edung deung nedug endug ndeug dneug ednug denug
Note: these 'words' (valid or invalid) are all the permutations of the word guned. These words are obtained by scrambling the letters in guned.