Diphthongs also occur as [iw, ew, æw, əw], [ao̯, ai̯, ae̯], [uj, oj].
Smith, Alexander D. (2017). The Languages of Borneo: A Comprehensive Classification. Honolulu, HI: University of Hawaii at Manoa. p. 77. ↩
Smith, Alexander D. (2017). The Languages of Borneo: A Comprehensive Classification. Honolulu, HI: University of Hawaii at Manoa. p. 78. ↩