def hk_accentuation(hk_syllab):
    """
    Map accentuation of HK entry.
    """
    hk_acc = []
    hk_syllab_list = hk_syllab.split(".")

    for syllabe in hk_syllab_list:
        if "/" in syllabe:
            hk_acc.append("U")
        else:
            hk_acc.append("B")
    return "".join(hk_acc)