alpha="a"
bravo="b"
charlie="c"
delta="d"
echo="e"
foxtrot="f"
golf="g"
hotel="h"
india="i"
juliet="j"
kilo="k"
lima="l"
mike="m"
november="n"
oscar="o"
papa="p"
quebec="q"
romeo="r"
sierra="s"
tango="t"
uniform="u"
victor="v"
whiskey="w"
xray="x"
yankee="y"
zulu="z"
zero="0"
one="1"
two="2"
three="3"
four="4"
five="5"
six="6"
seven="7"
eight="8"
nine="9"
ten="10"
eleven="11"
twelve="12"
thirteen="13"
fourteen="14"
fifteen="15"
sixteen="16"
seventeen="17"
eighteen="18"
nineteen="19"
twenty="20"
plus="+"
minus="-"
times="*"
over="/"
equals="="
equal="="
space=" "
up="up"
down="down"
left="left"
right="right"
