#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<iterator>
using namespace std;
class dna{
public:
	string s;
	int time;
	int calcu(){
		int n = 0;
		int a = s.length();
		for(int y = 0;y<a;y++){
			for(int x = y+1;x<a;x++){
				if(s[y]>s[x])
					n++;
			}
		}
		return n;
	}
};
bool sm(const dna &v,const dna &u){
	if(v.time>u.time)
		return false;
	else
		return true;
}
int main(){
	int m,n;
	cin >> m;
	cin >> n;
	dna c[10];
	vector<dna> d;
	for(int j = 0;j<n;j++){
		cin >> c[j].s;
		c[j].time = c[j].calcu();
		d.push_back(c[j]);
	}
	sort(d.begin(),d.end(),sm);
	vector<dna>::iterator it;
	for(it = d.begin();it!=d.end();it++){
		cout <<it->s<<endl;
	}
}