Alphabet Combinatorics

Level pending

Let E E = { a , b , c , . . . , z , y , z a,b,c, .. . ,z,y,z } be the set of the 26 26 English alphabets. Find the number of 5 5 -letter words that can be formed from E such that the first and last letters are distinct vowels and the remaining three are distinct consonants , Let ζ \zeta Be The Solution !

What are the last 3 digits of ζ \zeta ?

Note : Y Y Is A Consoant


The answer is 600.

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