#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll mod=1e9+7;
map<char,int>mp;
bool check(string s1,string s2,string goal){
	mp.clear();
	int jd=0;
	int len1=s1.length();
	int len2=s2.length();
	int len3=goal.length();
	if(len1==len2&&len1!=len3){
		return 1;
	}
	if(len1!=len2){
		return 0;
	}
	int cnt=0;
	//len1==len2==len3
	for(int i=0;i<len1;i++){
		assert(cnt<=26);
		if(s1[i]==s2[i]){
			if(!mp[s1[i]]){
				mp[s1[i]]=++cnt;
			}
		}else{
			if(!mp[s1[i]]){
				if(!mp[s2[i]]){
					mp[s1[i]]=++cnt;
					mp[s2[i]]=cnt;
				}else{//s2[i]标过
					mp[s1[i]]=mp[s2[i]];
				}
			}else{//s1[i]标过
				if(!mp[s2[i]]){
					mp[s2[i]]=mp[s1[i]];
				}else{//s2[i]也标过
					if(mp[s1[i]]!=mp[s2[i]]){
						return 0;
					}
				}
			}
		}
	}
	assert(cnt<=26);
	for(int i=0;i<len3;i++){
		if(!mp[goal[i]]){
			mp[goal[i]]=++cnt;
		}
		assert(cnt<=26);
	}
	for(int i=0;i<len1;i++){
		if(mp[s1[i]]==mp[s2[i]]){
			if(mp[goal[i]]!=mp[s1[i]]){
				return 1;
			}
		}else{
			return 0;
		}
	}
	return 0;
}
void solve(){
	string s1;
	string s2;
	string s3;
	cin>>s1;
	cin>>s2;
	cin>>s3;
	if(check(s1,s2,s3)){
		printf("YES");
		return ;
	}else if(check(s1,s3,s2)){
		printf("YES");
		return ;
	}else if(check(s2,s3,s1)){
		printf("YES");
		return ;
	}
	printf("NO");
	return ;
}
int main(){
	int t=1;
	scanf("%d",&t);
	while(t--){
		solve();
		printf("\n");
	}
	return 0;
}