Task: Program Execution
Input (English): t, n, 7, 9, 6, 7, 3
Output (English): [['t', 'n', '7', '9', '6', '7'], ['t', 'n', '7', '9', '6', '3'], ['t', 'n', '7', '9', '7', '3'], ['t', 'n', '7', '6', '7', '3'], ['t', 'n', '9', '6', '7', '3'], ['t', '7', '9', '6', '7', '3'], ['n', '7', '9', '6', '7', '3']]