barra abrra brara rbara arbra rabra barra abrra brara rbara arbra rabra brraa rbraa brraa rbraa rrbaa rrbaa arrba rarba arrba rarba rraba rraba barar abrar braar rbaar arbar rabar baarr abarr baarr abarr aabrr aabrr braar rbaar barar abrar rabar arbar arabr raabr aarbr aarbr raabr arabr barar abrar braar rbaar arbar rabar baarr abarr baarr abarr aabrr aabrr braar rbaar barar abrar rabar arbar arabr raabr aarbr aarbr raabr arabr brraa rbraa brraa rbraa rrbaa rrbaa brara rbara barra abrra rabra arbra brara rbara barra abrra rabra arbra rraba rraba rarba arrba rarba arrba arrab rarab arrab rarab rraab rraab ararb raarb aarrb aarrb raarb ararb ararb raarb aarrb aarrb raarb ararb rraab rraab rarab arrab rarab arrab
Note: these 'words' (valid or invalid) are all the permutations of the word barra. These words are obtained by scrambling the letters in barra.