Lutos language

Lutos (Ruto) is a Central Sudanic language of CAR and Chad. Two distinctive dialects are Lutos/Ruto proper and Nduka.^[2]

Lutos
Ruto
Native to	Central African Republic, Chad
Native speakers	(19,000 cited 1993–1996)[1]
Language family	Nilo-Saharan? Central Sudanic Bongo–Bagirmi Vale Lutos
Dialects	Ruto Nduka
Language codes
ISO 639-3	ndy
Glottolog	luto1241

Phonology

Consonants^[3]

		Labial	Alveolar	Retroflex	Palatal	Velar	Labiovelar	Glottal
Plosive	oral	p b	t d			k g	kp gb
	nasal	ᵐb	ⁿd			ᵑg	ᵑᵐgb
Implosive		ɓ	ɗ
Fricative	oral	f v	s z					h
	nasal	ᵐv	ⁿz
Nasal		m	n		ɲ
Approximant		w	r, l	ɽ	j

• /s/ can sometimes be heard as [ʃ] syllable-finally.

Vowels^[3]

	Front	Central	Back
High	i iː		u uː ũ ũː
Mid-high	e ẽ	ə	o oː õ õː
Mid-low	ɛ		ɔ ɔː ɔ̃ ɔ̃ː
Low		a aː ã ãː

Additionally, there exists the diphthong /ua/. It cannot be lengthened nor nasalised.

Lutos has three tones: high, mid, low.^[3]