Zz is for ...
zebra
What letter is it?
It's letter Z.
Yy is for ...
yarn
Zz is for ...
zero
Zz is for ...
zoo
Yy is for ...
yard
Yy is for ...
yellow
What letter is it?
It's letter Y.
Zz is for ...
zipper
Yy is for ...
yo-yo