Task: Program Execution
Input (English): s, y, 9, 8, I, 8
Output (English): [['s', 'y', '9', '8', 'I'], ['s', 'y', '9', '8', '8'], ['s', 'y', '9', 'I', '8'], ['s', 'y', '8', 'I', '8'], ['s', '9', '8', 'I', '8'], ['y', '9', '8', 'I', '8']]