How shall we write what was left when the labialized post velar lost its velar?

SPEECE, Richard F., author. 1987. "How shall we write what was left when the labialized post velar lost its velar?." In Studies in Melanesian orthographies, John M. Clifton (ed.). pages 45-55. Data Papers on Papua New Guinea Languages 33. Ukarumpa: Summer Institute of Linguistics. http://www.sil.org/pacific/png/abstract.asp?id=22203