it as tone number 1.
if the original tone number is 1, pronounce it as tone number 7.
if the original tone number is 8 and the final consonant is not h (that is, it is p, t, or k), pronounce it as tone number 4.
if the original tone number is 4 and the final consonant is not h (that is, it is p, t, or k), pronounce it as tone number 8.
if the original tone number is 8 and the final consonant is h, pronounce it as tone number 3.
if the original tone number is 4 and the final consonant is h, pronounce it as tone number 2.
there are a number 