A special language is invented with \(12\) consonants and five vowels. All words in the language contain exactly four

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A special language is invented with \(12\) consonants and five vowels. All words in the language contain exactly four letters. All words begin and end with a consonant and have two vowels in between. How many possible words in the language contain four different letters?

A. \(330\)
B. \(660\)
C. \(1,320\)
D. \(2,640\)
E. \(5,280\)

The OA is D
Source: — Problem Solving |