borgo obrgo brogo rbogo orbgo robgo bogro obgro bgoro gboro ogbro gobro brgoo rbgoo bgroo gbroo rgboo grboo orgbo rogbo ogrbo gorbo rgobo grobo borog obrog broog rboog orbog robog boorg oborg boorg oborg oobrg oobrg broog rboog borog obrog robog orbog orobg roobg oorbg oorbg roobg orobg bogor obgor bgoor gboor ogbor gobor boogr obogr boogr obogr oobgr oobgr bgoor gboor bogor obgor gobor ogbor ogobr goobr oogbr oogbr goobr ogobr brgoo rbgoo bgroo gbroo rgboo grboo brogo rbogo borgo obrgo robgo orbgo bgoro gboro bogro obgro gobro ogbro rgobo grobo rogbo orgbo gorbo ogrbo orgob rogob ogrob gorob rgoob groob orogb roogb oorgb oorgb roogb orogb ogorb goorb oogrb oogrb goorb ogorb rgoob groob rogob orgob gorob ogrob
Note: these 'words' (valid or invalid) are all the permutations of the word borgo. These words are obtained by scrambling the letters in borgo.