TWO PAIR I
Credit: GAMES/World of Puzzles
May, 2015
Erich Friedman

Add four letters to each word below to form a new word. The added letters must be two pairs of identical letters, in any order. For example, given the clue BA _ BE _ _ Y, the letters pairs RR and YY could be added to form BAYBERRY.

1.  BA _ _ R _ _ M
2.  B _ A _ N _ E _
3.  _ BE _ _ _ NT
4.  CHA _ _ I _ _
5.  CO_ D _ _ S _
6.  DU_ _ NE _ _
7.  _ _ _ _ GATE
8.  H _ _ _ _ RD
9.  _ LI _ N _ T _
10.  _ _ L _ _ UTE

HINTS:
One of the missing letters:
1. O
2. I
3. R
4. G
5. E
6. S
7. R
8. G
9. E
10. A

Answers:

1. BALLROOM
2. BRAINIER
3. ABERRANT
4. CHANGING
5. CONDENSE
6. DULLNESS
7. IRRIGATE
8. HAGGARD
9. ALIENATE
10. MALAMUTE