xiásī
сясы
ся2 сы1
http://www.chinese-russian.com/zd/ci/183240
http://www.chinese-russian.com/zd/ci/69481
http://www.chinese-russian.com/zd/ci/91441
xiàsì
ся4 сы4
http://www.chinese-russian.com/zd/ci/2837