How to spell YIPI correctly?

If you meant to spell "yippee", then that's the correct spelling for expressing excitement. If you intended to spell "yippy", then that's a correct spelling for describing a small or young dog that barks a lot.

• IPI
• yip The little dog let out a loud yip when the mailman came to the door.
• yipe Yipe! That scared me!
• yips The golfer had a bad case of the yips, causing him to miss several easy putts.

Attenttion

• attention
• attentions
• attenuation
• inattention