guled ugled glued lgued ulged luged gueld ugeld geuld eguld uegld eugld gleud lgeud gelud eglud legud elgud ulegd luegd uelgd eulgd leugd elugd gulde uglde glude lgude ulgde lugde gudle ugdle gdule dgule udgle dugle gldue lgdue gdlue dglue ldgue dlgue uldge ludge udlge dulge lduge dluge guedl ugedl geudl egudl uegdl eugdl gudel ugdel gduel dguel udgel dugel gedul egdul gdeul dgeul edgul degul uedgl eudgl udegl duegl edugl deugl gledu lgedu geldu egldu legdu elgdu gldeu lgdeu gdleu dgleu ldgeu dlgeu gedlu egdlu gdelu dgelu edglu deglu ledgu eldgu ldegu dlegu edlgu delgu uledg luedg ueldg euldg leudg eludg uldeg ludeg udleg duleg ldueg dlueg uedlg eudlg udelg duelg edulg deulg ledug eldug ldeug dleug edlug delug
Note: these 'words' (valid or invalid) are all the permutations of the word guled. These words are obtained by scrambling the letters in guled.