Task: Program Execution
Input (English): 9, 0, 8, E, a, Y, 4
Output (English): [['9', '0', '8', 'E', 'a', 'Y'], ['9', '0', '8', 'E', 'a', '4'], ['9', '0', '8', 'E', 'Y', '4'], ['9', '0', '8', 'a', 'Y', '4'], ['9', '0', 'E', 'a', 'Y', '4'], ['9', '8', 'E', 'a', 'Y', '4'], ['0', '8', 'E', 'a', 'Y', '4']]