Task: Program Execution
Input (English): t, 6, 5, Z, 9, 5, b
Output (English): [['t', '6', '5', 'Z', '9', '5'], ['t', '6', '5', 'Z', '9', 'b'], ['t', '6', '5', 'Z', '5', 'b'], ['t', '6', '5', '9', '5', 'b'], ['t', '6', 'Z', '9', '5', 'b'], ['t', '5', 'Z', '9', '5', 'b'], ['6', '5', 'Z', '9', '5', 'b']]