# include <iostream>
# include <string>
using namespace std;
int main()
{
	int  a,b,n;
	a = 'a';
	b = 'z';
	bool p[100];
	char s[100];
	char ch;
	int array[200];
	scanf("%d",&n);
	for(int j = 0;j <n;++j)
			p[j] = 1;
	for(int i = 0;i <n;++i)
	{
		
		for(int j = a;j <=b;++j)
			array[j] = 0;
		if(i == 0)
		getchar();
		gets(s);
		for(int i = 0;s[i]!= '\0';++i)
		{
			if(s[i] >='a' && s[i] <='z')
			array[s[i]]++; 
		}
		gets(s);		
		for(int i = 0;s[i]!= '\0';++i)
		{
			if(s[i] >='a' && s[i] <='z')
			array[s[i]]--; 
		}
		for(int j = a;j <=b;++j)
		{
			if(array[j])
			{
				p[i] = 0;
				break;
			}
				
		}
		
	}
	for(int j = 0;j <n;++j)
	{
		if(p[j])
		printf("Yes\n");
		else
		printf("No\n") ;
	}
	
	
	
}