Joe has a dog toy with alphabet buttons along its back. When you hit one of the letters, it says the letter name and gives an example of a word beginning with that letter.
For instance, if you hit the D you’d hear, “D, dog.”
If you hit two letters rapidly, you get odd results.
For instance, Joe hit the B followed by the I. The B didn’t finish before the I jumped in. Therefore, this educational toy taught my son: