dújiān
дуцзянь
ду2 цзянь1
http://www.chinese-russian.com/zd/ci/107484
dùjiǎn
ду4 цзянь3
http://www.chinese-russian.com/zd/ci/172582
dùjiàn
ду4 цзянь4
http://www.chinese-russian.com/zd/ci/37523
http://www.chinese-russian.com/zd/ci/37507