yītóng
итун
и1 тун2
http://www.chinese-russian.com/zd/ci/243
yītǒng
и1 тун3
http://www.chinese-russian.com/zd/ci/927
yítóng
и2 тун2
http://www.chinese-russian.com/zd/ci/134763
yìtóng
и4 тун2
http://www.chinese-russian.com/zd/ci/148167