gūmǔ
гуму
гу1 му3
http://www.chinese-russian.com/zd/ci/21131
gǔmǔ
гу3 му3
http://www.chinese-russian.com/zd/ci/61987
gǔmù
гу3 му4
http://www.chinese-russian.com/zd/ci/47521