Task: Program Execution
Input (English): I, 8, Y, i, H
Output (English): [['I', '8', 'Y', 'i'], ['I', '8', 'Y', 'H'], ['I', '8', 'i', 'H'], ['I', 'Y', 'i', 'H'], ['8', 'Y', 'i', 'H']]