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#include<iostream>
#include<cstdio>
#include<cstdlib>
using namespace std;
struct counts{
int id;
int count;
};
int compare(const void *a, const void *b){
counts *num1, *num2;
num1=(counts *)a;
num2=(counts *)b;
return num1->count-num2->count;
}
int main(){
int n, m;
scanf("%d %d", &n, &m);
counts *c=new counts[m];
char **seq=new char *[m];
for(int i=0; i<m; ++i){
seq[i]=new char[n+1];
}
for(int i=0; i<m; ++i){
scanf("%s", seq[i]);
c[i].id=i;
c[i].count=0;
for(int j=0; j<n; ++j){
for(int k=j+1; k<n; ++k){
if(seq[i][k]-seq[i][j]<0){
c[i].count+=seq[i][j]-seq[i][k];
}
}
}
}
qsort(c, m, sizeof(counts), compare);
for(int i=0; i<m; ++i){
printf("%s\n", seq[c[i].id]);
}
return 0;
}