You are given a code:

def main_solution(x):
    return func_13(func_5(x, 'pd'), '|')

Can you predict the output of `main_solution("azfijohci")` 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": "azfijohci"}, "ref_output": "p|d|a|z|f|i|j|o|h|c|i", "ref_code": "def main_solution(x):\n    return func_13(func_5(x, 'pd'), '|')", "funcname": "main_solution"}
rule