yōuFirst Tone (yōu)5charactersyōu优yōu幽yōu忧yōu悠yōu攸yóuSecond Tone (yóu)8charactersyóu尤yóuyǒuThird Tone (yǒu)3charactersyǒu友yǒuyòuFourth Tone (yòu)6charactersyòu佑yòuyouNeutral Tone (you)1characteryou莸