sāngū
саньгу
сань1 гу1
http://www.chinese-russian.com/zd/ci/1471
sāngǔ
сань1 гу3
http://www.chinese-russian.com/zd/ci/1399
sāngù
сань1 гу4
http://www.chinese-russian.com/zd/ci/1924