Name the quilt pieces!

A is for alligator. B is for building. C is for car. D is for dog. E is for elephant. F is for frog. G is for glue. H is for helicopter. I is for ice cream. J is for jacks. K is for kite. L is for lollipop. M is for mountain. N is for needle. O is for octopus. P is for...? Q is for quilt. R is for rocket. S is for sandwich. T is for tv. U is for umbrella. V is for violin. W is for whale. X is for x-ray. Y is for yo-yo. Z is for ...?

See if you can figure out the two that are missing, this one took me a long time and a little bit of help from BK.