Task: Program Execution
Input (English): 7, k, e, j, 6, v, K
Output (English): [['7', 'k', 'e', 'j', '6', 'v'], ['7', 'k', 'e', 'j', '6', 'K'], ['7', 'k', 'e', 'j', 'v', 'K'], ['7', 'k', 'e', '6', 'v', 'K'], ['7', 'k', 'j', '6', 'v', 'K'], ['7', 'e', 'j', '6', 'v', 'K'], ['k', 'e', 'j', '6', 'v', 'K']]