That last entry made it seem like David has a pretty limited word supply, which he does, but his vocabulary does include, among many others:

birthday
broom
brush
candy
clean
coat
comb
cookie
diaper
dreidal
fan
glasses
hat
lollipop
menorah
messy
mint
mittens
nice—he rolls up his sleeves, cradles his pink plastic pony in his arms, and says, “Nice pony”
pants
pink
Ponyville
popsicle
presents
pretty
red
rhino
shirt
shoes
socks
toothbrush
toothpaste
turn, as in David’s turn
vacuum
wash
wipe