Here is a nonexhaustive list of words George can reliably spell:
George
Mommy
brat
stop
the
to
and
on
in
no
Jameson (a friend)
Jamison (a street)
Allyson
Josh
Colton
Emerson
Kiernan
Katelyn
He also knows what these signs are:
?
! (he calls it the "shouting thing")
%
