ӣţţƭ  ţţ  ţţֱ  ţţƽ̨  ţţ淨  ţţ½  ţţ淨  ţţô  ţţô  ţţ½  ţţ¼  ţţ  ţţ  ţţ  ţţ  ţţ  ţţƭ  ţţע  ţţƭ  ţţ