eternos/frontend/node_modules/regenerate-unicode-properties/Script/Mongolian.js

const set = require('regenerate')(0x1804);
set.addRange(0x1800, 0x1801).addRange(0x1806, 0x1819).addRange(0x1820, 0x1878).addRange(0x1880, 0x18AA).addRange(0x11660, 0x1166C);
exports.characters = set;