I made G two dictionaries. One organized alphabetically and another done by handshape. So we sat down and I asked him to tell me a word for each letter of the alphabet. Then we would decide what hand shape it was made with and write it down in the hand shape dictionary.
This is what he came up with: Airplane, Ball, Cat, Dog, Elephant, Fox, Geoffrey, Helicopter, Ice, Jet, Kangaroo, Lion, News, Mom, Over, Puppy, Quiet, Run, Snake, Team, Umbrella, Violin, Wet, X-ray, Yo-Yo, Zebra
Only a few of those are made with the hand shape of their corresponding alphabet letter. I am so proud of him.