0 ~ 99
10 ~ 12 zero, one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve
13 ~ 19 thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen
20, 30, 40 ... twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety
21, 22, 23 ... twenty-one, twenty-two, twenty-three, ...
10 ~ 12 zero, one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve
13 ~ 19 thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen
20, 30, 40 ... twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety
21, 22, 23 ... twenty-one, twenty-two, twenty-three, ...