How many different four letter words can be formed (the words need not be meaningful) using the letters of the word $\displaystyle MEDITERRANEAN$ such that the first letter is $\displaystyle E$ and the last letter is $\displaystyle R$
How many different four letter words can be formed (the words need not be meaningful) using the letters of the word $\displaystyle MEDITERRANEAN$ such that the first letter is $\displaystyle E$ and the last letter is $\displaystyle R$