#pragma GCC optimize("Ofast") #include using namespace std; typedef long long int ll; typedef unsigned long long ull; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); ll myRand(ll B) { return (ull)rng() % B; } int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); int n; cin >> n; vector v; vector dp(27); for(int i=0;i> s; t=s; sort(t.begin(), t.end()); if(t==s){ v.push_back(t); } } sort(v.begin(), v.end()); for(int i=0;i