This is a list of the words Edwin consistently uses:

hi
no
water (also refers to cups)
juice
mem (milk)
sausage
bread
rice
mitmo (oatmeal)
up
down
baby
mommy
daddy
book
tractor
bus
car
ball
hot
puppy
bear
chocolate
vaaaa (violin)
via (viola)
bow
rosin
guitar
eggs
tomato
onion
dee? (I want it/do you want it?)
shoe
socks
hat
diaper
phone
feef (fish)
clock
light
snow
open
close
zip (when operating zippers)
hair
all gone
all done
fire engine (somewhat difficult to hear)
uh-oh
ah-no!
on
off
brother
hippo
monkey
purple
yellow
apple
nonanno (banana)
choo-choo (train)
again
(all upper case letters)
(12356789)