These form thirteen established families (plus perhaps Shompen, which is poorly attested, as a fourteenth), which have traditionally been grouped into two, as Mon–Khmer, and Munda.
ðiːz fˈɔːɹm θˈɜːtiːn ɪstˈæblɪʃt fˈæmɪliz plˈʌs pɚhˈæps ʃˈɑːmpən, wˌɪtʃ ɪz pˈʊɹli ɐtˈɛstᵻd, æz ɐ fˈoːɹtiːnθ, wˌɪtʃ hæv tɹɐdˈɪʃənəli bˌɪn ɡɹˈuːpt ˌɪntʊ tˈuː, æz mˈɑːn kmˈɪɹ, ænd mˈʌndə.