Task: Program Execution
Input (English): L, a, Z, 8, 9, 8
Output (English): [['L', 'a', 'Z', '8', '9'], ['L', 'a', 'Z', '8', '8'], ['L', 'a', 'Z', '9', '8'], ['L', 'a', '8', '9', '8'], ['L', 'Z', '8', '9', '8'], ['a', 'Z', '8', '9', '8']]