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
thirty	30
forty	40
fifty	50
sixty	60
seventy	70
eighty	80
ninety	90
a/one hundred	100
two hundred	200
three hundred nine	309
a/one thousand	1000
four thousand	4000