Task: Program Execution
Input (English): t, 7, 9, 6, B, 5, n
Output (English): [['t', '7', '9', '6', 'B', '5'], ['t', '7', '9', '6', 'B', 'n'], ['t', '7', '9', '6', '5', 'n'], ['t', '7', '9', 'B', '5', 'n'], ['t', '7', '6', 'B', '5', 'n'], ['t', '9', '6', 'B', '5', 'n'], ['7', '9', '6', 'B', '5', 'n']]