#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n;
	scanf("%d", &n);
	char a[n][n];
	bool cmp[n][n];
	memset(cmp, 0, sizeof(cmp));
	for(int i = 0; i < n + 1; i++)
		for(int j = 0; j < n + 1; j++) scanf("%c", &a[i][j]);
	for(int i = 0; i < n; i++)
		for(int j = 0; j < n; j++)
			if(a[i][j] == 'y' || a[i][j] == 'i' || a[i][j] == 'z' || a[i][j] == 'h' || a[i][j] == 'o' || a[i][j] == 'n' || a[i][j] == 'g') cmp[n][n] = true;
	for(int i = 0; i < n; i++)
	{
		for(int j = 0; j < n; j++)
		{
			if(cmp[i][j] == true) printf("%c");
			else printf("*");
		}
		printf("\n");
	}
	return 0;
}