YOU AND I INCLUDED
Credit: NY Times Crossword
February 24, 2002
Manny Nosowsky

The same two letters, in the same, consecutive order, can change each of the following words into new ones. Can you determine the two letters and the new words?

PAD
EVIL
NEST
TAKING

HINTS:
#1: The title is a clue.
#2: The name TED could be added to the list.

Answers:

The letters (word) WE can be inserted or precede each word to form new words:

PAWED
WEEVIL
NEWEST
TWEAKING
(TWEED)