NPR Weekend Edition Sunday Puzzle
June 21, 2009
Will Shortz

All three words in each set below can be preceded by the same three letters to make new words. The preceding letters are different for each set. What are the letters and the new words?

1)
EACH
ROVE
LODE

2)
RIOT
LICE
GRIN

3)
GAIN
RACK
RAGE

4)
MITE
RACE
MINUS

5)
ROOF
LACE
TILE

6)
VERB
PANE
FUSE

Answers:

1)
IMP:
IMPEACH
IMPROVE
IMPLODE

2)
CHA:
CHARIOT
CHALICE
CHAGRIN

3) 
BAR:
BARGAIN
BARRACK
BARRAGE

4)
TER:
TERMITE
TERRACE
TERMINUS

5)
REP:
REPROOF
REPLACE
REPTILE

6)
PRO:
PROVERB
PROPANE
PROFUSE