Penis Enis Game

The following are the rules how The Penis Enis Game is played.

One person tries to recite the following in 9 consecutive messages:
Penis
Enis
NIs
Is
S
Is
Nis
Enis
Penis

The recipient's goal is to "block" the Penis Enis by writing "Penis" before the sender can recite the full Penis Enis sequence.

Him: "Penis
Enis
Nis
Is
S
Is

Me: Penis

Him: Damn, nice block

Me: Yeah, you suck at the Penis Enis Game I always beat you.