Task: Program Execution
Input (English): 1, f, 9, 2, 3, g
Output (English): [['1', 'f', '9', '2', '3'], ['1', 'f', '9', '2', 'g'], ['1', 'f', '9', '3', 'g'], ['1', 'f', '2', '3', 'g'], ['1', '9', '2', '3', 'g'], ['f', '9', '2', '3', 'g']]