Task: Program Execution
Input (English): 7, 6, J, U, k, 0
Output (English): [['7', '6', 'J', 'U', 'k'], ['7', '6', 'J', 'U', '0'], ['7', '6', 'J', 'k', '0'], ['7', '6', 'U', 'k', '0'], ['7', 'J', 'U', 'k', '0'], ['6', 'J', 'U', 'k', '0']]