You are given a code:

def main_solution(x):
    return func_13(func_20(x, 'edntxn'), '|')

Can you predict the output of `main_solution("ayznednye")` 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": "ayznednye"}, "ref_output": "a|e|y|d|z|n|n|t|e|x|d|n|n|y|e", "ref_code": "def main_solution(x):\n    return func_13(func_20(x, 'edntxn'), '|')", "funcname": "main_solution"}
rule