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

21 twenty-one

22 twenty- two

23 twenty- three

24 twenty- four

25 twenty- five

26 twenty- six

27 twenty- seven

28 twenty- eight

29 twenty- nine

30 thirty

31 thirty- one

32 thirty- two

33 thirty- three

34 thirty- four

35 thirty- five

36 thirty- six

37 thirty- seven

38 thirty- eight

39 thirty- nine

40 forty

41 forty- one