Task: Program Execution
Input (English): Q, h, 9, 6, Y, U
Output (English): [['Q', 'h', '9', '6', 'Y'], ['Q', 'h', '9', '6', 'U'], ['Q', 'h', '9', 'Y', 'U'], ['Q', 'h', '6', 'Y', 'U'], ['Q', '9', '6', 'Y', 'U'], ['h', '9', '6', 'Y', 'U']]