Reflexive Pronoun refers back to the subject of the sentence or clause.Reflexive pronouns end in "-self" (singular) or "-selves" (plural).

Example:
Mary took the picture all by herself. 
I wrote a story myself. 
They completed the task themselves.



Emphatic Pronouns make emphasis on a particular noun or pronoun.

Example:

He himself prepared his breakfast.

They themselves sang a sang.

RECIPROCAL PRONOUNS: Each of two or more subjects is acting in the same way towards the other simultaneously.

Example:

The students were all blaming one another.

David and Tarun hate each other.