túshū
тушу
ту2 шу1
http://www.chinese-russian.com/zd/ci/17185
túshǔ
ту2 шу3
http://www.chinese-russian.com/zd/ci/148612
tǔshǔ
ту3 шу3
http://www.chinese-russian.com/zd/ci/13824