Akwáwa language

Akwáwa is a Tupi–Guarani dialect cluster spoken in Pará in western Brazil.

Dialects
There are three distinct dialects:
 * Asuriní (of Tocantins or Trocará), or Akwawa
 * Suruí (of Tocantins or Pará), or Akewara
 * Parakanã, Awaeté

Both the name Asuriní and Suruí are used for related peoples and their languages: Suruí of Jiparaná, Suruí of Rondônia, Asuriní of Xingú, etc.

Phonology
The following is the Parakanã dialect:

Vowels

 * Vowel sounds are realized as nasalized when preceding nasal consonants.
 * /e/ can also be heard as when in stressed position.
 * /ɨ/ can also be heard as when preceding a vowel.
 * /a/ can be heard as back when in word-final position. In its nasal form, it is heard as back.
 * /o/ can be heard as when in unstressed position.

Consonants

 * /β/ can also be heard as a glide.
 * /tʃ/ can be realized as a glide in final position, and as voiced  in intervocalic positions.