gaatu agatu gaatu agatu aagtu aagtu gatau agtau gtaau tgaau atgau tagau gatau agtau gtaau tgaau atgau tagau aatgu aatgu atagu taagu atagu taagu gaaut agaut gaaut agaut aagut aagut gauat aguat guaat ugaat augat uagat gauat aguat guaat ugaat augat uagat aaugt aaugt auagt uaagt auagt uaagt gatua agtua gtaua tgaua atgua tagua gauta aguta guata ugata augta uagta gtuaa tguaa gutaa ugtaa tugaa utgaa atuga tauga autga uatga tuaga utaga gatua agtua gtaua tgaua atgua tagua gauta aguta guata ugata augta uagta gtuaa tguaa gutaa ugtaa tugaa utgaa atuga tauga autga uatga tuaga utaga aatug aatug ataug taaug ataug taaug aautg aautg auatg uaatg auatg uaatg atuag tauag autag uatag tuaag utaag atuag tauag autag uatag tuaag utaag
Note: these 'words' (valid or invalid) are all the permutations of the word gaatu. These words are obtained by scrambling the letters in gaatu.