static void Main(string[] args)
{
int n = int.Parse(Console.ReadLine());
List <string> words = new List <string>();
for (int i = 0; i < n; i++)
{
words.Add(Console.ReadLine());
}
string[] inputs = Console.ReadLine().Split(' ');
int h = int.Parse(inputs[0]);
int w = int.Parse(inputs[1]);
string[] lines = new string[h];
for (int i = 0; i < h; i++)
{
lines[i] = Console.ReadLine();
}
WordGrid grid = new WordGrid(w, h, lines);
WordFinder finder = new WordFinder(words, grid);
// Write an action using Console.WriteLine()
// To debug: Console.Error.WriteLine("Debug messages...");
Console.WriteLine(finder.Find());
}
public WordFinder(List <string> list, WordGrid grid)
{
_grid = grid;
_words = list;
}