Communication code

A = Alpha
B = Bravo
C = Charlie
D = Delta
E = Echo
F = Foxtra
G = ??
H = ??
I = ??
J = ??
K = Kilo
L = Lima
M = ??
N = ??
O = ??
P = ??
Q = ??
R = ??
S = Sierra
T = ??
U = ??
V = ??
W = Whisky
X = ???
Y = Yankee
Z = Zulu