Task: Program Execution
Input (English): B, 3, 3, 6, k, 9
Output (English): [['B', '3', '3', '6', 'k'], ['B', '3', '3', '6', '9'], ['B', '3', '3', 'k', '9'], ['B', '3', '6', 'k', '9'], ['B', '3', '6', 'k', '9'], ['3', '3', '6', 'k', '9']]