ðə jˈɑːmə hæd lˈɔŋɪstˈæblɪʃt tɹˈeɪdɪŋ ænd fˈæmɪli kˈɑːntækts wɪððə tɹˈænzflˈaɪ pˈæpjuːənz, stˈɑːɹɾɪŋ fɹʌmðɪ ɚɹˈɪdʒɪnəl pˈæpjuːˌoʊˌɔːstɹoʊnˈiːʒən sˈɛɾəlmənts.
The Yama had long-established trading and family contacts with the Trans-Fly Papuans, starting from the original Papuo-Austronesian settlements.