You are given a code:

def main_solution(x):
    return func_20(('wmlkio' + 'ztdd'), func_15('xigh'))

Can you predict the output of `main_solution("ryspojiaw")` without writing any code? Please reason and put your final answer in the following json format: {"output": <your output>}, where <your output> should be the final string.
user
{"ref_input": {"x": "ryspojiaw"}, "ref_output": "w\u00abmxl\u00bbk\u00abiio\u00bbz\u00abtgd\u00bbd\u00abh\u00bb", "ref_code": "def main_solution(x):\n    return func_20(('wmlkio' + 'ztdd'), func_15('xigh'))", "funcname": "main_solution"}
rule