protected static String getPinyin2(int hz) {
		String py = "";
		if (hz > 0 && hz < 160)
			py += hz;
		//else if (hz < -20319 || hz > -10247);
		else if (hz <= -10247 && hz >= -20319){
			PinyinCode pc = null;
			int i = pinyin.size() - 1;
			for (; i >= 0; i--) {
				pc = (PinyinCode) pinyin.get(i);
				if (pc.code <= hz)
					break;
			}
			if (i >= 0)
				py = pc.pinyin;
		}
		return py;
	}