ӣţţ  ţţ½  ţţֱ  ţţ  ţţ½  ţţ  ţţ  ţţ¼  ţţ  ţţô  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţֱ  ţţ  ţţ