kabab akbab kbaab bkaab abkab bakab kaabb akabb kaabb akabb aakbb aakbb kbaab bkaab kabab akbab bakab abkab abakb baakb aabkb aabkb baakb abakb kabba akbba kbaba bkaba abkba bakba kabba akbba kbaba bkaba abkba bakba kbbaa bkbaa kbbaa bkbaa bbkaa bbkaa abbka babka abbka babka bbaka bbaka kaabb akabb kaabb akabb aakbb aakbb kabab akbab kbaab bkaab abkab bakab kabab akbab kbaab bkaab abkab bakab aabkb aabkb abakb baakb abakb baakb kbaba bkaba kabba akbba bakba abkba kbbaa bkbaa kbbaa bkbaa bbkaa bbkaa kabba akbba kbaba bkaba abkba bakba babka abbka bbaka bbaka abbka babka ababk baabk aabbk aabbk baabk ababk abbak babak abbak babak bbaak bbaak aabbk aabbk ababk baabk ababk baabk babak abbak bbaak bbaak abbak babak
Note: these 'words' (valid or invalid) are all the permutations of the word kabab. These words are obtained by scrambling the letters in kabab.