#include <bits/stdc++.h>
using namespace std;
using ll = long long;


void solve(long long N){
    if(N == 7){
        cout<<"a..aabb"<<endl;
        cout<<"abb..d."<<endl;
        cout<<"c...cd."<<endl;
        cout<<"c...c.a"<<endl;
        cout<<".abb..a"<<endl;
        cout<<".a..eeb"<<endl;
        cout<<"eeff..b"<<endl;
    }else if(N == 11){
        cout<<"a..aabb...."<<endl;
        cout<<"abb..d....."<<endl;
        cout<<"c...cd....."<<endl;
        cout<<"c...c.a...."<<endl;
        cout<<".abb..a...."<<endl;
        cout<<".a..eeb...."<<endl;
        cout<<"eeff..b...."<<endl;
        cout<<".......aacd"<<endl;
        cout<<".......bbcd"<<endl;
        cout<<".......cdaa"<<endl;
        cout<<".......cdbb"<<endl;
    }else if(N == 6){
        cout<<"aa...."<<endl;
        cout<<"..b..."<<endl;
        cout<<"..b..."<<endl;
        cout<<"...cc."<<endl;
        cout<<".....d"<<endl;
        cout<<".....d"<<endl;
    }else if(N == 3){
        cout<<"aa."<<endl;
        cout<<"..b"<<endl;
        cout<<"..b"<<endl;
    }else{
        for(int i = 0;i*4 <= N;i++){
            if((N - i*4) % 5 == 0){
                int cnt = 0;
                for(int j = 0;j < i;j++){
                    for(int k = 0;k < cnt;k++){
                        cout<<'.';
                    }
                    cout<<"aacd";
                    for(int k = cnt+4;k < N;k++){
                        cout<<'.';
                    }
                    cout<<endl;
                    for(int k = 0;k < cnt;k++){
                        cout<<'.';
                    }
                    cout<<"bbcd";
                    for(int k = cnt+4;k < N;k++){
                        cout<<'.';
                    }
                    cout<<endl;
                    for(int k = 0;k < cnt;k++){
                        cout<<'.';
                    }
                    cout<<"cdaa";
                    for(int k = cnt+4;k < N;k++){
                        cout<<'.';
                    }
                    cout<<endl;
                    for(int k = 0;k < cnt;k++){
                        cout<<'.';
                    }
                    cout<<"cdbb";
                    for(int k = cnt+4;k < N;k++){
                        cout<<'.';
                    }
                    cout<<endl;
                    cnt+=4;
                }

                for(int j = 0;j < (N - i*4)/5;j++){
                    for(int k = 0;k < cnt;k++){
                        cout<<'.';
                    }
                    cout<<"aabbc";
                    for(int k = cnt+5;k < N;k++){
                        cout<<'.';
                    }
                    cout<<endl;
                    for(int k = 0;k < cnt;k++){
                        cout<<'.';
                    }
                    cout<<"d.eec";
                    for(int k = cnt+5;k < N;k++){
                        cout<<'.';
                    }
                    cout<<endl;
                    for(int k = 0;k < cnt;k++){
                        cout<<'.';
                    }
                    cout<<"df..b";
                    for(int k = cnt+5;k < N;k++){
                        cout<<'.';
                    }
                    cout<<endl;
                    for(int k = 0;k < cnt;k++){
                        cout<<'.';
                    }
                    cout<<"ef..b";
                    for(int k = cnt+5;k < N;k++){
                        cout<<'.';
                    }
                    cout<<endl;
                     for(int k = 0;k < cnt;k++){
                        cout<<'.';
                    }
                    cout<<"eggqq";
                    for(int k = cnt+5;k < N;k++){
                        cout<<'.';
                    }
                    cout<<endl;
                    cnt+=5;
                }
                return;
            }
        }
        cout<<-1<<endl;
    }
}

int main(){
    long long N;
    scanf("%lld",&N);
    solve(N);
    return 0;
}


Measured memory_bytes: 1280