Supply two different letters to fill the blanks and form a word. Then fill the blanks with two different letters to form a second word. All four letters must be different. For example, the fifth word cannot be SUMMIT. The four letters may repeat letters given in the puzzle; for example, you could use O, L, U, or M as one of your letters in the first puzzle. When you are finished, you will have used every letter of the alphabet at least once.

1.   _ O L U M _
2.   F _ E E _ E
3.   _ H R A S _
4.   N E _ H E _
5.   S U _ _ I T
6.   _ E _ U E L
7.   _ _ Y O U S
8.   J _ N _ E D
9.   G R O _ _ H
10.  S _ N T A _
11.  _ N _ I S T
12.  S A _ A _ I
13.  _ E _ U T Y
14.  _ R O _ E L
15.  B E _ _ A N
16.  E R _ A T _
17.  R _ S _ U E
18.  S _ R _ E T
19.  U N _ O _ S
20.  B _ A R _ S