meat.py

import re

if __name__ == '__main__':
    regex = re.compile(r'^([asdfgqwertzxcv]*|[hjklyuiopbnm]*)$')
    with open('words.txt', 'r') as fptr:
        for word in fptr:
            if regex.match(word):
                meat = regex.match(word).group(1)
                print(meat)
                # To print words with length greater than 7:
                # if len(meat) > 7: print(meat)