#! coding:utf-8

import sys,os

razdel = ['_',':',';']

def uniq(seq):
    seen = set()
    seen_add = seen.add
    return [x for x in seq if not (x in seen or seen_add(x))]

def brute_words(spisok):
    spisok2 = []

    for i in spisok:
        spisok2.append(i)
        spisok2.append(i[0].upper()+i[1:])
        spisok2.append(i[0].upper()+i[1:-1]+i[-1].upper())
        spisok2.append(i.upper())
        for j in spisok:
            spisok2.append(i+j)
            for m in razdel:
                spisok2.append(j+m+i)
            spisok2.append(j+i)
            spisok2.append(i+i+j)
            spisok2.append(j+j+i)
            spisok2.append(i[0].upper()+i[1:]+j)
            spisok2.append(i[0].upper()+i[1:-1]+i[-1].upper()+j)

    return uniq(spisok2)

def generate(spisok_file):
    o = open(spisok_file,'r')

    spisok = o.read().splitlines()

    for i in brute_words(spisok):
        print i

def main():
    try:
        argv1 = sys.argv[1]
        generate(argv1)
    except IndexError:
        print "Нужно указать файл"

    except IOError:
        print "Нет такого файла"

if __name__ == "__main__":
    main()