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