yōuFirst Tone (yōu)5charactersyōu优yōu幽yōu忧yōu悠yōu攸yóuSecond Tone (yóu)8charactersyóu尤yǒuThird Tone (yǒu)3charactersyǒu友yòuFourth Tone (yòu)6charactersyòu佑youNeutral Tone (you)2charactersyou莸