def word_property_conversion(text):
    vc = ("vi.", "vt.", "aux.")
    pronc = ("det.",)
    interjc = ("int.",)
    abbrc = ("pref.", "symb.")
    if text in vc:
        return "v."
    elif text in pronc:
        return "pron."
    elif text in interjc:
        return "interj."
    elif text in abbrc:
        return "abbr."
    return text