Khmuic, Palaungic, and Khasic resulted from a westward dispersal that ultimately came from the Red Valley valley.
kˌeɪˈeɪtʃmjˈuːɪk, pælˈɔːŋɡɪk, ænd kˈɑːzɪk ɹɪzˈʌltᵻd fɹʌm ɐ wˈɛstwɚd dɪspˈɜːsəl ðæt ˈʌltᵻmətli kˈeɪm fɹʌmðə ɹˈɛd vˈæli vˈæli.