#include "stdio.h"
#include "string.h"
int  main(){
	 int t,i,j,sum1,sum2,bl;
	 char a1[101],a2[101],b1[101],b2[101],m;
	 scanf("%d",&t);
	 getchar();
	 while(t--){
	       gets(a1);
		   gets(a2);
		   j=0;
		   sum1=0;
		   for(i=0;i<strlen(a1);++i){
			   if(a1[i]!=' ') {
			      b1[j]=a1[i];
				  ++j;
				  ++sum1;
			   }         
		   }
		   j=0;
		   sum2=0;
		   for(i=0;i<strlen(a2);++i){
			   if(a2[i]!=' ') {
			      b2[j]=a2[i];
				  ++j;
				  ++sum2;
			   }         
		   }
		  for(i=1;i<sum1;++i){
		      for(j=0;j<sum1-i;++j){
		       if(b1[j]>b1[j+1]){
		          m=b1[j];
			      b1[j]=b1[j+1];
			      b1[j+1]=m;
			   }
		       }
	      }
		   for(i=1;i<sum2;++i){
		      for(j=0;j<sum2-i;++j){
		       if(b2[j]>b2[j+1]){
		          m=b2[j];
			      b2[j]=b2[j+1];
			      b2[j+1]=m;
			   }
		       }
	      }
		   bl=1;
		   for(i=0;i<sum1||i<sum2;++i){
		       if(b1[i]!=b2[i]){
		          bl=0;
				  break;
			   }
		   }
		   if(bl==1) printf("Yes\n");
		   else printf("No\n");
	 }
     return 0;
}