#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int N; int C[2525][26]; string S[1010]; int ok(int a,int b) { int i; FOR(i,26) if(C[a][i]>C[b][i]) return 0; return 1; } void solve() { int i,j,k,l,r,x,y; string s; cin>>N; FOR(i,N) { cin>>S[i]; FORR(c,S[i]) C[i][c-'a']++; } FOR(x,N) { int num=0; FOR(y,N) if(ok(x,y)==0) num++; if(num==N-1) { cout<