Task: Program Execution
Input (English): 1, d, 1, i, 7, O
Output (English): [['1', 'd', '1', 'i', '7'], ['1', 'd', '1', 'i', 'O'], ['1', 'd', '1', '7', 'O'], ['1', 'd', 'i', '7', 'O'], ['1', '1', 'i', '7', 'O'], ['d', '1', 'i', '7', 'O']]