Task: Program Execution
Input (English): 0, G, O, 1, 5, 7, U
Output (English): [['0', 'G', 'O', '1', '5', '7'], ['0', 'G', 'O', '1', '5', 'U'], ['0', 'G', 'O', '1', '7', 'U'], ['0', 'G', 'O', '5', '7', 'U'], ['0', 'G', '1', '5', '7', 'U'], ['0', 'O', '1', '5', '7', 'U'], ['G', 'O', '1', '5', '7', 'U']]