A common pattern in AA languages with case is for the nominative to be marked by -u or -i, and the accusative to be marked by -a.
ɐ kˈɑːmən pˈætɚn ɪn ˌeɪˈeɪ lˈæŋɡwɪdʒᵻz wɪð kˈeɪs ɪz fɚðə nˈɑːmɪnətˌɪv təbi mˈɑːɹkt baɪ jˈuː ɔːɹ ˈaɪ, ænd ðɪ ɐkjˈuːzətˌɪv təbi mˈɑːɹkt baɪ ˈeɪ.