#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a;
	cin>>a;
	char b[a][17];
	for(int i=0;i<=a-1;i++){
		for(int j=0;j<=16;j++){
			cin>>b[i][j];
		}
	}
	for(int i=0;i<=a;i++){
		int j=0;
			if((b[i][j]==b[i][j+1]&&b[i][j+1]==b[i][j+2]&&b[i][j+1]==b[i][j+3])||(b[i][j]=='D'&&b[i][j+1]=='X')){
			cout<<"yes\n";
			j++;}
			else if(j>=14)
			{
				cout<<"no\n";
				continue;
			}
			else {continue;j++;}
		
	}
	return 0;
}