0_zero
1_one
2_two
3_three
4_four
5_five
6_six
7_seven
8_eight
9_nine
10_ten
11_eleven
12_twelve
13_thirteen
14_fourteen
15_fiveteen
16_sixteen
17_seventeen
18_einghteen
19_nineteen
20_twenty
30_thirty
40_fourty
50_fifty
60_sixty
70_seventy
80_eighty
90_ninety
100_one hundred
1000_one thousand
1000000_one million