Thanks for joining this game Jiki. The way it works is:
Use the five letters provided by the previous person (which you did correctly except for your last word, which should have begun with S.) Those 5 letters are always the last letters of the sentence just written. Then, you write your sentence and provide the last letters of your own sentence, for use by the next person.
Can we make one small change to your sentence? How about making it:
Each letter teaches some stuff
H R S E F