yīFirst Tone (yī)6charactersyī一yī依yī医yī壹yī揖yī衣yíSecond Tone (yí)15charactersyí仪yǐThird Tone (yǐ)7charactersyǐ乙yìFourth Tone (yì)32charactersyì义yiNeutral Tone (yi)1characteryi饴