#include<cstdio>
#include<algorithm>
#include<cstring>
using namespace std;
//逆序数排序
struct Node{
    int cnt;
    char str[105];
} DNA[500];
bool cmp(Node &A,Node &B)
{
    return A.cnt<B.cnt;
}
int main()
{
    int n,m,sum;
    char s[105];
    scanf("%d%d",&n,&m);
    getchar();
    for(int i = 0;i<m;++i)
    {
        sum = 0;
        gets(s);
        strcpy(DNA[i].str,s);
        for(int j = 0;j<n;++j)
        {
            for(int k = j;k<n;++k)
                if(s[j]>s[k]) sum++;
        }
        DNA[i].cnt = sum;
    }
    sort(DNA,DNA+m,cmp);
    for(int i = 0;i<m;++i)
        puts(DNA[i].str);
    return 0;
}