xūtóu
сюйтоу
сюй1 тоу2
http://www.chinese-russian.com/zd/ci/187455
http://www.chinese-russian.com/zd/ci/56270
http://www.chinese-russian.com/zd/ci/117261
xǔtōu
сюй3 тоу1
http://www.chinese-russian.com/zd/ci/82526