You are given a code:

def main_solution(x):
    return (func_13('nawvxf', '|') + func_22(x))

Can you predict the output of `main_solution("ttwsaqalo")` 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": "ttwsaqalo"}, "ref_output": "n|a|w|v|x|fttwsaqal", "ref_code": "def main_solution(x):\n    return (func_13('nawvxf', '|') + func_22(x))", "funcname": "main_solution"}
rule