urges ruges ugres gures rgues grues uregs ruegs uergs eurgs reugs erugs ugers guers uegrs eugrs geurs egurs rgeus greus regus ergus gerus egrus urgse rugse ugrse gurse rguse gruse ursge rusge usrge surge rsuge sruge ugsre gusre usgre sugre gsure sgure rgsue grsue rsgue srgue gsrue sgrue uresg ruesg uersg eursg reusg erusg urseg ruseg usreg sureg rsueg srueg uesrg eusrg userg suerg esurg seurg resug ersug rseug sreug esrug serug ugesr guesr uegsr eugsr geusr egusr ugser guser usger suger gsuer sguer uesgr eusgr usegr suegr esugr seugr gesur egsur gseur sgeur esgur segur rgesu gresu regsu ergsu gersu egrsu rgseu grseu rsgeu srgeu gsreu sgreu resgu ersgu rsegu sregu esrgu sergu gesru egsru gseru sgeru esgru segru
Note: these 'words' (valid or invalid) are all the permutations of the word urges. These words are obtained by scrambling the letters in urges.