Piro languages
The Piro languages, a.k.a. Purus, or in Aikhenvald South-Western Arawak, are Arawakan languages of the Peruvian and western Brazilian Amazon.Languages
Kaufman gives the following breakdown:
Kaufman had considered the last to be a dialect of Piro; Aikhenvald suggests it may have been a dialect of Iñapari.