1 - l (72 - seventy-two - 504)
2 - t (13 - thirteen - 12)
3 - p (56 - fifty-six - 56)
4 - b (80 - eighty - 11)
5 - q (18 - eighteen - 23)
6 - e (23 - twenty-three - 315)
7 - g (11 - eleven - 13)
8 - h (90 - ninety - 49)
9 - d (12 - twelve - 72)
10 - s (20 - twenty - 19)
11 - j (19 - nineteen - 18)
12 - g (49 - forty-nine - 13)
13 - f (100 - one hundred - 100)
14 - a (31 - thirty-one - 31)
15 - n (410 - four hundred and ten - 410)
16 - c (660 - six hundred and sixty - 660)
17 - l (504 - five hundred and four - 504)
18 - i (925 - nine hundred and twenty-five - 925)
19 - m (217 - two hundred and seventeen - 217)
20 - e (315 - three hundred and fifteen - 315)