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|Amami Island Sign|
|Amami Oshima Sign|
|"ISO 639-3||None (
Amami Island Sign, or Amami Oshima Sign (Amami O Shima Sign, AOSL), is a "village sign language, or group of languages, on "Amami Oshima, the largest island in the "Amami Islands of "Japan. In Koniya region of the island, there exist a high incidence of congenital deafness, which is dominant and tends to run in a few families; moreover, the difficulty of the terrain has kept these families largely separated, so that there is extreme lexical geographical diversity across the island, and AOSL is therefore perhaps not a single language.