píbì
пиби
пи2 би4
http://www.chinese-russian.com/zd/ci/164587
http://www.chinese-russian.com/zd/ci/164792
http://www.chinese-russian.com/zd/ci/164581
pìbǐ
пи4 би3
http://www.chinese-russian.com/zd/ci/57587