Koreguaje language

Korebaju, Coreguaje (Korewaje, Ko'reuaju) is a Tucanoan language of Colombia.

The language was spoken in the film Out of the Dark.

Vowels
Koreguaje has 6 vowels. All vowels have nasalized forms:

Consonants

 * /ɾ/ can be heard as retrofex [ɽ] in initial positions.
 * /w/ can fluctuate to a voiced fricative [β] in free variation.
 * /ʍ/ can be he heard as [ɸ] or [f] when preceding /i/.