* Busy
* City
* Kitty
* Silly
* Happy
* Penny
* Puppy
* Mummy
* Party
* Skitty (a type of cat)
It's worth noting that the "y" at the end of these words isn't actually making the short "i" sound. It's the vowel before the "y" that makes the short "i" sound. The "y" at the end acts as a consonant, making the "i" sound short and crisp.