Task: Program Execution
Input (English): I, 0, C, P, i
Output (English): [['I', '0', 'C', 'P'], ['I', '0', 'C', 'i'], ['I', '0', 'P', 'i'], ['I', 'C', 'P', 'i'], ['0', 'C', 'P', 'i']]