abc
aid
alphabet
alphabetical
black
chinese
communicate
communication
concept
contrast
convey
csl
deaf
deafness
disability
finger
fingerspelling
gesture
gesturing
guide
hand
hear
hearing
help
idea
isolated
language
learn
letter
light
male
man
message
monochrome
ng
nonverbal
people
person
point
school
shadow
shadows
sign
signal
speech
symbol
talk
translate
translation
white
word
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