Task: Program Execution
Input (English): 9, 5, h, z, U, 2
Output (English): [['9', '5', 'h', 'z', 'U'], ['9', '5', 'h', 'z', '2'], ['9', '5', 'h', 'U', '2'], ['9', '5', 'z', 'U', '2'], ['9', 'h', 'z', 'U', '2'], ['5', 'h', 'z', 'U', '2']]