import java.io.InputStreamReader;
import java.io.IOException;
import java.util.Arrays;
import java.io.PrintStream;
import java.io.BufferedReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 * @author Rubanenko
 */
public class Main {
	public static void main(String[] args) {
		InputStream inputStream = System.in;
		OutputStream outputStream = System.out;
		InputReader in = new InputReader(inputStream);
		PrintWriter out = new PrintWriter(outputStream);
		LCH15JAB solver = new LCH15JAB();
		solver.solve(1, in, out);
		out.close();
	}
}

class LCH15JAB {
    public void solve(int testNumber, InputReader in, PrintWriter out) {
        int testCases = in.nextInt();
        CheckerTools.ensureLimits(testCases, 1, 1000);
        for (int test = 1; test <= testCases; test++) {
            String s = in.next();
            CheckerTools.ensureLimits(s.length(), 1, 50);
            final int alphabetSize = 26;
            int[] frequencyArray = new int[alphabetSize];
            for (int i = 0; i < s.length(); i++) {
                frequencyArray[(int)s.charAt(i) - 'a']++;
            }
            Arrays.sort(frequencyArray);
            out.println(frequencyArray[alphabetSize - 1] * 2 == s.length() ? "YES" : "NO");
        }
    }
}

class InputReader {
    private BufferedReader reader;
    private StringTokenizer tokenizer;

    public InputReader(InputStream inputStream) {
        reader = new BufferedReader(new InputStreamReader(inputStream));
    }

    public String nextLine() {
        String line = null;
        try {
            line = reader.readLine();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
        return line;
    }

    public String next() {
        while (tokenizer == null || !tokenizer.hasMoreTokens())
            tokenizer = new StringTokenizer(nextLine());
        return tokenizer.nextToken();
    }

    public int nextInt() {
        return Integer.parseInt(next());
    }
}

class CheckerTools {

    public static void exit(String message) {
        System.err.println(message);
        System.exit(1);
    }

    public static void ensureCondition(boolean condition, String message) {
        if (!condition) {
            exit(message);
        }
    }

    public static void ensureLimits(long n, long l, long r) {
        if (n < l ||n > r) {
            ensureCondition(l <= n && n <= r, "Number " + Long.toString(n) + " is out of range [" + Long.toString(l) + ", " + Long.toString(r) + "]");
        }
    }

}