The same two letters will change the words below into new words or expressions.

SO

BIG

ALL

BALL

FLUSH

TROUT

HINT:

1. The last two words will become two-word expressions.

Answers:

The letters are OT.

SOOT/BIGOT/ALLOT/BALLOT/FLU SHOT/TROT OUT

Credits:

NY Times Crosswords:

EXTRA PLAY by Alan Arbesfeld - 8/31/08

EXTRA! EXTRA! by Will Nediger - 4/19/09