biāndū
бяньду
бянь1 ду1
http://www.chinese-russian.com/zd/ci/187044
biàndú
бянь4 ду2
http://www.chinese-russian.com/zd/ci/135702
biàndù
бянь4 ду4
http://www.chinese-russian.com/zd/ci/141701