ӣţţ  ţţ  ţţô  ţţƻƽ̨  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ  ţţ½  ţţע  ţţ½  ţţ  ţţע  ţţ  ţţ  ţţע