#!/usr/bin/env python3

from urllib.request import urlopen

tlds = urlopen('https://data.iana.org/TLD/tlds-alpha-by-domain.txt').read().decode('utf8')

tlds += "\n" +  urlopen('https://cdn.froth.zone/opennic-alpha-by-domain.txt').read().decode('utf8')

for line in tlds.splitlines():
    print(line.lower())