yīzōng
ицзун
и1 цзун1
http://www.chinese-russian.com/zd/ci/377
http://www.chinese-russian.com/zd/ci/10384
yīzǒng
и1 цзун3
http://www.chinese-russian.com/zd/ci/494
yīzòng
и1 цзун4
http://www.chinese-russian.com/zd/ci/918