Task: Program Execution
Input (English): Z, O, p, 2, 1, 3
Output (English): [['Z', 'O', 'p', '2', '1'], ['Z', 'O', 'p', '2', '3'], ['Z', 'O', 'p', '1', '3'], ['Z', 'O', '2', '1', '3'], ['Z', 'p', '2', '1', '3'], ['O', 'p', '2', '1', '3']]