abecedary

The alphabet, written out in a teaching book, or carved on a wall; a primer; abecedarium.

I finish writing the alphabet on both napkins. There's room for more abecedaries, but […]

One that teaches or learns the alphabet or the fundamentals of any subject; abecedarian.

Referring to the alphabet; alphabetical; related to or resembling an abecedarius; abecedarian.