ӣţţ  ţţô  ţţ  ţţ  ţţ½  ţţ  ţţ  ţţ  ţţ½  ţţע  ţţ  ţţ  ţţ¼  ţţ  ţţ  ţţô  ţţƭ  ţţƽ̨  ţţô  ţţ¼