rt

//2023/3/27
#include<bits/stdc++.h>
using namespace std;
const int MAXN=1e6+10;
int num,ans;
int n;

void chess(int x)
{
	for (int i=1;i<=n-x;i++)
	{
		cout<<"o";
	}
	for(int i=1;i<=n-x;i++)
	{
		cout<<"*";
	}
	cout<<"--";
	for (int i=0;i<x;i++)
	{
		cout<<"o*";
	}
	cout<<endl;
	for (int i=1;i<n-x;i++)
	{
		cout<<"o";
	}
	cout<<"--";
	for(int i=1;i<n-x;i++)
	{
		cout<<"*";
	}
	for (int i=0;i<=x;i++)
	{
		cout<<"o*";
	}
	cout<<endl;
}
int main()
{
	cin>>n;
	for (int i=0;i<n;i++)
	{
		chess(i);
	}
	return 0;
}