Gene Gragg likewise argues that more needs to be known about Omotic still, and that Afroasiatic linguists have still not found convincing isoglosses on which to base genetic distinctions.
dʒˈiːn ɡɹˈæɡ lˈaɪkwaɪz ˈɑːɹɡjuːz ðæt mˈoːɹ nˈiːdz təbi nˈoʊn ɐbˌaʊt ɑːmˈɑːɾɪk stˈɪl, ænd ðæt ˌæfɹoʊˌeɪsɪˈæɾɪk lˈɪŋɡwɪsts hæv stˈɪl nˌɑːt fˈaʊnd kənvˈɪnsɪŋ ˈaɪsəɡlˌɔsᵻz ˌɔn wˌɪtʃ tə bˈeɪs dʒɪnˈɛɾɪk dɪstˈɪŋkʃənz.