kēkū
кэку
кэ1 ку1
http://www.chinese-russian.com/zd/ci/111747
kēkù
кэ1 ку4
http://www.chinese-russian.com/zd/ci/118349
kèkǔ
кэ4 ку3
http://www.chinese-russian.com/zd/ci/74010