yīkǒu
икоу
и1 коу3
http://www.chinese-russian.com/zd/ci/222
yīkòu
и1 коу4
http://www.chinese-russian.com/zd/ci/172622
yǐkòu
и3 коу4
http://www.chinese-russian.com/zd/ci/171924
yìkǒu
и4 коу3
http://www.chinese-russian.com/zd/ci/183015