base/node_modules/regenerate-unicode-properties/Script/Duployan.js

const set = require('regenerate')();
set.addRange(0x1BC00, 0x1BC6A).addRange(0x1BC70, 0x1BC7C).addRange(0x1BC80, 0x1BC88).addRange(0x1BC90, 0x1BC99).addRange(0x1BC9C, 0x1BC9F);
exports.characters = set;