dúgū
дугу
ду2 гу1
http://www.chinese-russian.com/zd/ci/107378
dúgǔ
ду2 гу3
http://www.chinese-russian.com/zd/ci/107478
http://www.chinese-russian.com/zd/ci/100152
http://www.chinese-russian.com/zd/ci/100132