A system K (masculine), T (feminine), and H (plural) can be found in Cushitic, Chadic, with masculine K also appearing in Omotic.
ɐ sˈɪstəm kˈeɪ mˈæskjʊlˌɪn, tˈiː fˈɛmᵻnˌɪn, ænd ˈeɪtʃ plˈʊɹɹəl kæn biː fˈaʊnd ɪn kʊʃˈɪɾɪk, tʃˈædɪk, wɪð mˈæskjʊlˌɪn kˈeɪ ˈɔːlsoʊ ɐpˈɪɹɪŋ ɪn ɑːmˈɑːɾɪk.