public void getwords()
	{
		String line="";
		try {
			while((line=reader.readLine())!=null)
			{
				line=line.toLowerCase();
				if(!list.contains(line))
				{
					list.add(line);
				}
			}
		} catch (IOException e) {
			e.printStackTrace();
		}
		try {
			reader.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}