my %number = (
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 => fifteen, 16 => sixteen, 17 => seventeen, 18 => eighteen, 19 => nineteen, 20 => twenty, 30 => thirty, 40 => forty, 50 => fifty, 60 => sixty, 70 => seventy, 80 => eighty, 90 => ninety);