#include <iostream>
#include <cstring>
using namespace std;
 
int main() {
	// your code goes here
	int t;
	cin>>t;
	while(t--)
	{
	char m[25000],w[25000];
	char mins[25000];
	char maxs[25000];
	cin>>m;
	cin>>w;
	int mlen,wlen;
	mlen = strlen(m);
	wlen = strlen(w);
	int min,max;
	if(mlen<wlen)
	{
		min = mlen;
		max = wlen;
		strcpy(mins,m);
		strcpy(maxs,w);
	}
	else
	{
		min = wlen;
		max = mlen;
		strcpy(mins,w);
		strcpy(maxs,m);
	}
	int i=0,j=0;
	while(j<max&&i<min)
	{
		if(mins[i]==maxs[j])
			i++;
		j++;
	}
	if(i==min)
		cout<<"YES\n";
	else
		cout<<"NO\n";
	}
	return 0;
}

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