Task: Program Execution
Input (English): 3, 9, G, U, c, Z
Output (English): [['3', '9', 'G', 'U', 'c'], ['3', '9', 'G', 'U', 'Z'], ['3', '9', 'G', 'c', 'Z'], ['3', '9', 'U', 'c', 'Z'], ['3', 'G', 'U', 'c', 'Z'], ['9', 'G', 'U', 'c', 'Z']]