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