You are given a code:

def main_solution(x):
    return func_20(func_15('dhin'), func_5('xpugl', 'suxu'))

Can you predict the output of `main_solution("fpeucc")` 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": "fpeucc"}, "ref_output": "\u00absdu\u00bbx\u00abuhx\u00bbp\u00abuig\u00bbl\u00abn\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_15('dhin'), func_5('xpugl', 'suxu'))", "funcname": "main_solution"}
rule