#include <bits/stdc++.h>
using namespace std;
const int maxn = 3e5 + 5;
const int inf = 0x3f3f3f3f;
const int mod = 1e9 + 7;
int T, n, m;
string s;
int vis[26];
int pos[maxn][26];
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cin >> T;
  while (T--) {
    memset(vis, 0, sizeof(vis));
    cin >> n >> m;
    for (int i = 0; i < 26; ++i) {
      for (int j = 0; j <= n + 5; ++j) {
        pos[j][i] = 0;
      }
    }
    cin >> s;
    for (int i = 0; i < s.size(); ++i) {
      for (int j = 0; j < 26; ++j) {
        pos[i][j] = pos[i - 1 == -1 ? 0 : i - 1][j];
      }
      pos[i][s[i] - 'a']++;
    }
    for (int i = 0, x; i < m; ++i) {
      cin >> x;
      x--;
      for (int j = 0; j < 26; ++j) {
        vis[j] += pos[x][j];
      }
    }
    for (int j = 0; j < 26; ++j) {
      vis[j] += pos[n - 1][j];
    }
    for (int i = 0; i < 26; ++i) {
      cout << vis[i] << ' ';
    }
    cout << '\n';
  }
  return 0;
}
