Task: Program Execution
Input (English): z, Q, 9, 6, 9, l
Output (English): [['z', 'Q', '9', '6', '9'], ['z', 'Q', '9', '6', 'l'], ['z', 'Q', '9', '9', 'l'], ['z', 'Q', '6', '9', 'l'], ['z', '9', '6', '9', 'l'], ['Q', '9', '6', '9', 'l']]