You are given a code:

def main_solution(x):
    return (func_13('xhqzey', '|') + func_11('mvwnv', 4))

Can you predict the output of `main_solution("oiouxkoky")` 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": "oiouxkoky"}, "ref_output": "x|h|q|z|e|yqzarz", "ref_code": "def main_solution(x):\n    return (func_13('xhqzey', '|') + func_11('mvwnv', 4))", "funcname": "main_solution"}
rule