SOLUTION: I have tried to answer this question only by finding as many words as I can. (I have found 209) How many words can be made from the letters in the word "passenger" when the two ees

If you mean all 9-letter distinguishable sequences of letters,
(not necessarily REAL words), then the answer is



Explanation:

If all 9 letters were distinguishable, as if it were 

pasSengEr

the answer would be 9!.

But we must divide by the number of ways the 2 s's and the 2 e's 
can be arranged.  (The esses can go 2! ways, s S or S s, 
and the ees can go 2! ways e E or E e.  So we divide by 2!2!)  

----------------------------

However, if you mean REAL English language words, then there is 
no way mathematics can help you.  But, you can go here:

http://wordsnipe.com

But you'll have to eliminate from the 332 the ones you
don't want.

---------------------------------

Edwin