tōngér
тунъэр
тун1 эр2
http://www.chinese-russian.com/zd/ci/182367
tóngér
тун2 эр2
http://www.chinese-russian.com/zd/ci/50051
tǒngér
тун3 эр2
http://www.chinese-russian.com/zd/ci/112476