import java.util.*;

public class ccc04s1 
{
	public static void main (String[] args)
	{
		Scanner str = new Scanner(System.in);
		
		int counter = Integer.parseInt(str.next());
		
		for (int i = 0; i <= counter; i++)
		{	
			String [] words = new String [3];	
			for (int j = 0; j <=2; j++)
			{
				words [j] = str.nextLine();
			}	
			char pretemp = words[0].charAt(0);
			char suftemp = words[0].charAt(words[0].length()-1);
			String pre = Character.toString(pretemp);
			String suf = Character.toString(suftemp);
			
			if ((words[1].startsWith(pre) && words[2].startsWith(pre)) || (words[1].endsWith(suf)|| words[2].endsWith(suf)))
			{
				System.out.println("No");
			}
			else
				System.out.println("Yes");
		}	
	}
}