#Biu-Mandara  a group of Chadic languages spoken in the border area between Cameroon and Nigeria south of Lake Chad
  supertype:  #Chad__Chadic__Chadic_language  a family of Afroasiatic tonal languages (mostly two tones) spoken in the regions west and south of Lake Chad in north central Africa
  subtype:  #Tera__Pidlimdi__Yamaltu  a three-tone Chadic language
  subtype:  #Bura__Pabir  a Chadic language spoken south of Lake Chad
  subtype:  #Higi__Kapsiki  a Chadic language spoken south of Lake Chad
  subtype:  #Mandara__Wandala  a Chadic language spoken in the Mandara mountains in Cameroon; has only two vowels
  subtype:  #Matakam__Mafa  a Chadic language spoken south of Lake Chad
  subtype:  #Sukur  a Chadic language spoke south of Lake Chad
  subtype:  #Daba__Kola__Musgoi  a Chadic language spoken south of Lake Chad
  subtype:  #Bata  a Chadic language spoken south of Lake Chad
  subtype:  #Kotoko  a Chadic language spoken south of Lake Chad
  subtype:  #Musgu__Munjuk__Mulwi  a Chadic language spoken south of Lake Chad
  subtype:  #Gidar  a Chadic language spoken south of Lake Chad

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