sōngshǔ
суншу
сун1 шу3
http://www.chinese-russian.com/zd/ci/97326
sōngshù
сун1 шу4
http://www.chinese-russian.com/zd/ci/97226
sòngshū
сун4 шу1
http://www.chinese-russian.com/zd/ci/122553
sòngshù
сун4 шу4
http://www.chinese-russian.com/zd/ci/122568