Task: Program Execution
Input (English): l, I, 7, 6, q, 8, 4
Output (English): [['l', 'I', '7', '6', 'q', '8'], ['l', 'I', '7', '6', 'q', '4'], ['l', 'I', '7', '6', '8', '4'], ['l', 'I', '7', 'q', '8', '4'], ['l', 'I', '6', 'q', '8', '4'], ['l', '7', '6', 'q', '8', '4'], ['I', '7', '6', 'q', '8', '4']]