biānsī
бяньсы
бянь1 сы1
http://www.chinese-russian.com/zd/ci/187000
biānsǐ
бянь1 сы3
http://www.chinese-russian.com/zd/ci/187033
biànsǐ
бянь4 сы3
http://www.chinese-russian.com/zd/ci/141756