The Prefix Mu

Today's lesson :

Hi everyone !

today's lesson is about a prefix which is the prefix "Mu";
the prefix Mu is a prefix what changes the laugh into evil laugh
e.g. : hahahhahahahha (good laugh) ,
but after adding Mu the meaning of the laugh changes into devil laugh,
e.g. Muhahahhahahhaha (devil laughs).
i hope your enjoyed the lesson.
-sori