Task: Program Execution
Input (English): B, 0, K, 3, p, k
Output (English): [['B', '0', 'K', '3', 'p'], ['B', '0', 'K', '3', 'k'], ['B', '0', 'K', 'p', 'k'], ['B', '0', '3', 'p', 'k'], ['B', 'K', '3', 'p', 'k'], ['0', 'K', '3', 'p', 'k']]