Z.;
Say it.;
1.; zipper.; a zipper.;
2.; zero.; a zero.;
3.; zebra.; a zebra.;
4.; zoo.; a zoo.;
Read it.; Read down.;
zebra.; This is a zebra.;
zero.; This is a zero.;
zoo.; There are many animals in the zoo.;
zipper.; This is a zipper.; Zip your zipper!