Task: Program Execution
Input (English): 6, d, 9, P, Z, 0, s
Output (English): [['6', 'd', '9', 'P', 'Z', '0'], ['6', 'd', '9', 'P', 'Z', 's'], ['6', 'd', '9', 'P', '0', 's'], ['6', 'd', '9', 'Z', '0', 's'], ['6', 'd', 'P', 'Z', '0', 's'], ['6', '9', 'P', 'Z', '0', 's'], ['d', '9', 'P', 'Z', '0', 's']]