Number of
Letters
You
are given a string. Your task is to determine whether number of occurrences of
some characters in the string is equal to the sum of the numbers of occurrences
of other characters in the string. 
Input
The
first line of the input contains an integer T denoting the number of
test cases. Each of the next T lines contains one string S
consisting of lowercase Latin letters.
Output
For
each test case, output a single line containing "YES" if the
string satisfies the condition given above or "NO" otherwise. 
Constraints
·        
1 ≤ T ≤ 1000 
·        
1 ≤ length of S ≤ 50
 
  | Sample Input1: | Sample Input2: | 
 
  | 4 acab zzqzqq abc kklkwwww | 2 ankara saranda | 
 
  | Sample  Output1: | Sample  Output2: | 
 
  | YES YES NO YES | YES NO | 
 
 
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