This is an alphabet used by military. This uses specific words to represent letters.
A-Alpha
B-Bravo
C-Charlie
D-Delta
E-Echo
F-Foxtrot
G-Gulf
H-Hotel
I-India
J-Juiet
K-Kilo
L-Lima
M-Mike
N-November
O-Oscar
P-Papa
Q-Quebec
R-Romeo
S-Sierra
T-Tango
U-Uniform
V-Victor
W-Whiskey
X-X-Ray
Y-Yankee
Z-Zulu
Example:
Whiskey Tango Foxtrot
WTF
