Task: Program Execution
Input (English): o, Z, 9, 7, 9, 3
Output (English): [['o', 'Z', '9', '7', '9'], ['o', 'Z', '9', '7', '3'], ['o', 'Z', '9', '9', '3'], ['o', 'Z', '7', '9', '3'], ['o', '9', '7', '9', '3'], ['Z', '9', '7', '9', '3']]