ONES OF A KIND

According to the NY Times Crossword of October 6, 2009 by Matt Ginsberg and edited by Will Shortz, what is the only common word in the English language with the consecutive letters

1. MPG?
2. ADQ?
3. KSG?
4. ZKR?
5. SPB?
6. NKC?

Answers:

1. CAMPGROUND 
2. HEADQUARTERS
3. THANKSGIVING
4. BLITZKRIEG
5. RASPBERRY
6. CRANKCASE