gēnggēng
гэнгэн
гэн1 гэн1
http://www.chinese-russian.com/zd/ci/86578
gěnggěng
гэн3 гэн3
http://www.chinese-russian.com/zd/ci/116298
http://www.chinese-russian.com/zd/ci/157096
http://www.chinese-russian.com/zd/ci/143011