yūnFirst Tone (yūn)1characteryūn晕yúnSecond Tone (yún)6charactersyún云yún匀yún昀yún耘yún芸yún郧yǔnThird Tone (yǔn)2charactersyǔn允yǔn陨yùnFourth Tone (yùn)6charactersyùn孕yùn熨yùn蕴yùn运yùn酝yùn韵