E17/E18/E19/E20/E21/E22/E23/E24/E25/E26/E27 has separate entries for Ndra'ngith [dgt] and Awngthim [gwm], but they are all part of the same intelligible language on linguistic grounds ( Bruce A. Sommer 1976 , Hale, Kenneth L. 1966 ). See also: Tyanngayt-Mamngayt-Ntrwangayt-Ntrangit [NOCODE_Awngtim-Ntrangit].