Given a String(only lower case letters) , check if any substring has occured Twice :

Example : iwsagoodboody
Here, substring "ood" occurs twice.

Output "YES" if there is any such substring else output "NO" .(without qoutes)

Input:

First line of input consists of an integer T (1 ≤ T ≤ 100) , indicating the number of test cases.
For each test case, there will be a string s (1 ≤ |s| ≤ 2000)

Output:
Print "YES" if there is any such substring else Print "NO" .(without quotes)

SAMPLE INPUT
3
abcdefghi
dogsbarkatdogs
howtheydo

SAMPLE OUTPUT
NO
YES
YES

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