Guruntum language

Guruntum is a Chadic language spoken in Bauchi and Alkaleri LGAs, Bauchi State, Nigeria. In 1993 it was spoken by about 15,000 people.
Classification.
Guruntum is a West Chadic language of the Barawa (B.3) group.
Major dialects include Kuuku, Gayar, Mbaaru, Dooka, Gar and Karakara.
Phonology.
Vowels.
Guruntum contrasts long and short forms for all vowels except for . In addition, two nasalized vowel phonemes exist: .
There are two diphthongs, and .
Consonants.
 is realized as a flap intervocalically before back vowels; elsewhere it is a trill.
Tone.
Guruntum has four tones: high, low, rising (low-high) and falling (high-low).