hiː dˈɪd pˈʌblɪʃ sˈʌbdʒɛkt pɹˈiːfɪksᵻz ˌɔn vˈɜːbz, wˌɪtʃ ɑːɹ vˈɛɹi sˈɪmɪlɚ tə wɛɹmbˈɔːɹi, ænd ðə sˈɪŋɡjʊlɚ pɹˈiːfɪksᵻz ɑːɹ ˈɔːlsoʊ ɹᵻmˈɑːɹkəbli sˈɪmɪlɚ tə tˈuː kwˈɜːbə fˈæmɪli lˈæŋɡwɪdʒᵻz, nˈeɪmli kˈɔːwɚɹə ænd ˈɛɹoːɹən, sədʒˈɛstɪŋ ˈiːðɚ bˈɑːɹoʊɪŋ ɔːɹ ɐ dˈɪstənt ɹᵻlˈeɪʃənʃˌɪp tə kwˈɜːbə, ðˌoʊ ðə kwˈɜːbə fˈæmɪli ʃˈɛɹz ˈɔːlmoʊst nˈoʊ voʊkˈæbjʊlˌɛɹi wɪððə lˈoʊɚ mˈæmbɚɹəmˌoʊ fˈæmɪli.
He did publish subject prefixes on verbs, which are very similar to Warembori, and the singular prefixes are also remarkably similar to two Kwerba family languages, namely Kauwera and Airoran, suggesting either borrowing or a distant relationship to Kwerba, though the Kwerba family shares almost no vocabulary with the Lower Mamberamo family.