import re
from collections import Counter

def count_words(text: str) -> dict[str, int]:
    text = text.lower()

    words = re.findall(r"\b[a-z0-9áäčďéíľňóôŕšťúýž]+(?:'[a-z0-9áäčďéíľňóôŕšťúýž]+)?\b", text)
    
    return dict(Counter(words))