#include <bits/stdc++.h>
using namespace std;
void __print(int x) { cerr << x; }
void __print(long x) { cerr << x; }
void __print(long long x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned long x) { cerr << x; }
void __print(unsigned long long x) { cerr << x; }
void __print(float x) { cerr << x; }
void __print(double x) { cerr << x; }
void __print(long double x) { cerr << x; }
void __print(char x) { cerr << '\'' << x << '\''; }
void __print(const char *x) { cerr << '\"' << x << '\"'; }
void __print(const string &x) { cerr << '\"' << x << '\"'; }
void __print(bool x) { cerr << (x ? "true" : "false"); }
template <typename T, typename V>
void __print(const pair<T, V> &x) {
  cerr << '{';
  __print(x.first);
  cerr << ',';
  __print(x.second);
  cerr << '}';
}
template <typename T>
void __print(const T &x) {
  int f = 0;
  cerr << '{';
  for (auto &i : x) cerr << (f++ ? "," : ""), __print(i);
  cerr << "}";
}
void _print() { cerr << "]\n"; }
template <typename T, typename... V>
void _print(T t, V... v) {
  __print(t);
  if (sizeof...(v)) cerr << ", ";
  _print(v...);
}
void solve() {
  long long int n, m;
  cin >> n >> m;
  long long int pre[n][26];
  for (long long int i = 0; i < n; i++) {
    for (long long int j = 0; j < 26; j++) {
      pre[i][j] = 0;
    }
  }
  string s;
  cin >> s;
  long long int arr[m];
  for (long long int i = 0; i < m; i++) cin >> arr[i];
  for (long long int i = 0; i < s.length(); i++) {
    long long int ind = s[i] - 'a';
    pre[i][ind]++;
  }
  for (long long int i = 1; i < n; i++) {
    for (long long int j = 0; j < 26; j++) {
      pre[i][j] += pre[i - 1][j];
    }
  }
  long long int cnt[26];
  for (long long int i = 0; i < 26; i++) cnt[i] = 0;
  for (long long int i = 0; i < m; i++) {
    long long int key = arr[i];
    key--;
    for (long long int j = 0; j < 26; j++) {
      cnt[j] += pre[key][j];
    }
  }
  for (long long int j = 0; j < 26; j++) {
    cnt[j] += pre[n - 1][j];
  }
  for (long long int i = 0; i < 26; i++) cout << cnt[i] << " ";
  cout << endl;
}
int main() {
  ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
  long long int t = 1;
  cin >> t;
  while (t--) {
    solve();
  }
  return 0;
}
