nine

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 ngoại truyện #1 

15 fourteen 

16 fifthteen 

17 sixteen 

18 seventeen 

19 eighteen 

20 nineteen 

21 twenty 

22 twenty-one 

23 twenty-two 

24 twenty-three 

25 twenty-four 

26 twenty-five 