The answer is in NATO Phonetic Alphabet

Tango Hotel Echo Alpha November Sierra Whiskey Echo Romeo India Sierra

Letter Breakdown

LetterNATO Word
TTango
HHotel
EEcho
AAlpha
NNovember
SSierra
WWhiskey
EEcho
RRomeo
IIndia
SSierra

Full NATO Phonetic Alphabet

A
Alpha
B
Bravo
C
Charlie
D
Delta
E
Echo
F
Foxtrot
G
Golf
H
Hotel
I
India
J
Juliet
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