#! /usr/bin/env python3
import sys, random

with open(sys.argv[1]) as words_f:
    words = [word for line in words_f if 3 <= len(word := line.strip()) < 10 and word.lower() == word]

pair = []
while not 8 <= sum(map(len, pair)) <= 10:
    pair = random.choices(words, k=2)

print(''.join(w.title() for w in pair))