chītóu
читоу
чи1 тоу2
http://www.chinese-russian.com/zd/ci/120859
chítóu
чи2 тоу2
http://www.chinese-russian.com/zd/ci/140043
chǐtóu
чи3 тоу2
http://www.chinese-russian.com/zd/ci/85189