Varieties
Sidwell (2005) lists the following varieties of Ta'Oi, which is a name applied to speakers of various related dialects. *Ta'Oi proper *Ong/Ir/Talan *Chatong is spoken about 50 to 100 km northeast of Sekong. It has been recorded only by Theraphan L-Thongkum. *Kriang (Ngkriang, Ngeq) is spoken by up to 4,000 people living in villages between Tatheng and Sekong, such as Ban Chakamngai. *Kataang (Katang) is a dialect that has been documented by Michel Ferlus, Gerard Diffloth, and other linguists. It is not to be confused with the Bru dialect of Katang.Phonology
Consonants
* There are also creaky syllable-final segments /mʔ, nʔ, ŋʔ, wʔ, lʔ, jʔ/, however; they are not noted as a distinct series. * /ɟ/ may also be heard as a preglottal sound �jSidwell, Paul (2005). pp. 12-15Vowels
Morphosyntax
Taoih, like other Katuic languages, is largely analytic and slightly inflectional. Taoih has a large amounts of affixes which mark agreement for person and case and derive new lexicalized words. The specific cases that are marked differ by person. There are several grammatical cases in Taoih, including some important ones: nominative, accusative, locative, dative, and genitive. Taoih is prominently a neutral alignment language. Taoih exhibits neutral alignment for case with (in)transitive verbs and also neutral alignment for agreement in both (in)transitive and ditransitive frames, the verb never shows agreement with any argument, regardless of its transitivity. For ditransitive verbs, Taoih exhibits indirective alignment. To mark benefactive arguments, the dative marker and preposition ''adeh'' occur before patients.References
Further reading
*Sidwell, Paul (2005).