Task: Program Execution
Input (English): o, C, 5, d, R, 9
Output (English): [['o', 'C', '5', 'd', 'R'], ['o', 'C', '5', 'd', '9'], ['o', 'C', '5', 'R', '9'], ['o', 'C', 'd', 'R', '9'], ['o', '5', 'd', 'R', '9'], ['C', '5', 'd', 'R', '9']]