Task: Program Execution
Input (English): 7, Z, r, E, V, m, 2
Output (English): [['7', 'Z', 'r', 'E', 'V', 'm'], ['7', 'Z', 'r', 'E', 'V', '2'], ['7', 'Z', 'r', 'E', 'm', '2'], ['7', 'Z', 'r', 'V', 'm', '2'], ['7', 'Z', 'E', 'V', 'm', '2'], ['7', 'r', 'E', 'V', 'm', '2'], ['Z', 'r', 'E', 'V', 'm', '2']]