def handle_apostrophe(words):
    """
    Detect words like "l'activité" or "d'un"
    and divide them in "l" "activité" and "d" "un"
    """
    final_words = []
    for w in words:
        start_ind = 0
        for indice, letter in enumerate(w):
            if letter == "'":
                final_words += [w[start_ind:indice]]
                start_ind = indice + 1 # Ignore "'"

        final_words += [w[start_ind:]]

    return final_words