xīfā
сифа
си1 фа1
http://www.chinese-russian.com/zd/ci/95300
xīfǎ
си1 фа3
http://www.chinese-russian.com/zd/ci/57032
xìfā
си4 фа1
http://www.chinese-russian.com/zd/ci/51273
xìfǎ
си4 фа3
http://www.chinese-russian.com/zd/ci/149486