You are given a code:

def main_solution(x):
    return func_13((x + 'icuyhe'), '-')

Can you predict the output of `main_solution("xaoqxveehz")` 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": "xaoqxveehz"}, "ref_output": "x-a-o-q-x-v-e-e-h-z-i-c-u-y-h-e", "ref_code": "def main_solution(x):\n    return func_13((x + 'icuyhe'), '-')", "funcname": "main_solution"}
rule