Task: Program Execution
Input (English): 5, Q, 2, P, b, 9, e
Output (English): [['5', 'Q', '2', 'P', 'b', '9'], ['5', 'Q', '2', 'P', 'b', 'e'], ['5', 'Q', '2', 'P', '9', 'e'], ['5', 'Q', '2', 'b', '9', 'e'], ['5', 'Q', 'P', 'b', '9', 'e'], ['5', '2', 'P', 'b', '9', 'e'], ['Q', '2', 'P', 'b', '9', 'e']]