Task: Program Execution
Input (English): 2, Q, M, 4, k, H
Output (English): [['2', 'Q', 'M', '4', 'k'], ['2', 'Q', 'M', '4', 'H'], ['2', 'Q', 'M', 'k', 'H'], ['2', 'Q', '4', 'k', 'H'], ['2', 'M', '4', 'k', 'H'], ['Q', 'M', '4', 'k', 'H']]