BINARY CODE
Credit: NY Times Crossword
December 27, 2015
Dan Gagliardo and Zhouqin  Burnikel (#1-8)

In the phrase ONION RINGS, the two O's in onion are described by rings. That is, the O's are in the shape of rings. Each clue below contains a pair of double letters which can be visually described in a common phrase - such as OO in ONION RINGS.

1. PP
2. AA
3. DD
4. WW
5. ZZ
6. NN
7. RR
8. FF
9. SS
10. RR
11. SS
12. TT

HINTS:
1. Shopping
2. NC_ _
3. Cul-de-sacs
4. In a room with a view
5. Kind of musical number
6. Major League baseball team
7. It usually consists of a man and a woman
8. Good start to a baseball inning
9. Eyes
10. Jewelry
11. Board game
12. Gloves

Answers:

1. SHOPPING CENTER
2. NCAA FINALS
3. DEAD ENDS
4. WINDOW FRAME
5. JAZZ DUET
6. MINNESOTA TWINS 
7. MARRIED COUPLE
8. LEAD-OFF DOUBLE 
9. PAIR OF GLASSES 
10. PAIR OF EARRINGS
11. CHESS SET
12. PAIR OF MITTENS