xīnú
сину
си1 ну2
http://www.chinese-russian.com/zd/ci/81998
http://www.chinese-russian.com/zd/ci/125653
xīnù
си1 ну4
http://www.chinese-russian.com/zd/ci/30850
xǐnù
си3 ну4
http://www.chinese-russian.com/zd/ci/15561