Task: Program Execution
Input (English): 5, 4, 5, i, Z, n, z
Output (English): [['5', '4', '5', 'i', 'Z', 'n'], ['5', '4', '5', 'i', 'Z', 'z'], ['5', '4', '5', 'i', 'n', 'z'], ['5', '4', '5', 'Z', 'n', 'z'], ['5', '4', 'i', 'Z', 'n', 'z'], ['5', '5', 'i', 'Z', 'n', 'z'], ['4', '5', 'i', 'Z', 'n', 'z']]