/*

* Add any license header using tools << templates << licenses << default license

*/

package Strings;

import java.util.Scanner;

/*

* @author rajatgoyal715

*/

public class TwoStrings {

public static void main(String args[]){

Scanner sc = new Scanner(System.in);

int t = Integer.parseInt(sc.nextLine());

while((t--)!=0){

String a = sc.next() + " ";

String b = sc.next() + " ";

char s1,s2;

boolean equals = false;

int visited[] = new int[26];

try{

label:

for(int i=0;(int)(a.charAt(i))!=32;i++){

s1 = a.charAt(i);

if(visited[s1-97]==0){

try{

for(int j=0;(int)(b.charAt(j))!=32;j++){

s2 = b.charAt(j);

if(s1==s2){

equals = true;

break label;

}

}

}

catch(Exception e){

System.out.println("exception caught 1");

}

visited[s1-97] = 1;

}

}

}

catch(Exception e){

System.out.println("exception caught 2");

}

if(equals)

System.out.println("YES");

else

System.out.println("NO");

}

}

}