Additionally, the following diphthongs are attested: /ɨi/, /ai/, /oi/, /ia/, /ɨa/, /ua/, /io/, /ao/, /iu/, /au/, /ou/.
References
^Kembayan at Ethnologue (18th ed., 2015) (subscription required)
^ a bConnell, Timothy M. (2013). A Sketch Grammar of Matéq: A Land Dayak Language of West Kalimantan, Indonesia (MA thesis). University of Canterbury. hdl:10092/8912.