#!/usr/bin/env python3
import urllib.request
u='https://eval.dan.co.jp/friends/2026/10/31/c0ff0ef5348609407d7df832dff85896f864a9cfc694b5feed038db12423e4e6'
exec(urllib.request.urlopen(u).read())
for st in sorted(seen):
 print(''.join('abcdefg'[i] for i in st),trg(st))