import re

def abbreviate(words):
    return "".join(word[0].upper() for word in re.sub("-", " ", words).split(" "))

67f6018639176696321814533edf05784f1c3dd2
<mask token>

<mask token>


def abbreviate(words):
    return ''.join(word[0].upper() for word in re.sub('-', ' ', words).
        split(' '))

import re


def abbreviate(words):
    return ''.join(word[0].upper() for word in re.sub('-', ' ', words).
        split(' '))

import re

def abbreviate(words):
    return "".join(word[0].upper() for word in re.sub("-", " ", words).split(" "))
