#include <bits/stdc++.h>
using namespace std;
int t, n, m, har[27];
string s;
int sum[200005][27];
int main() {
  cin >> t;
  while (t--) {
    cin >> n >> m;
    cin >> s;
    for (int i = 0; i <= 25; i++) har[i] = 0;
    for (int i = 0; i < n; i++) {
      for (int j = 0; j < 26; j++) sum[i][j] = 0;
    }
    for (int i = 0; i < n; i++) {
      if (i != 0) {
        for (int j = 0; j <= 25; j++) {
          sum[i][j] = sum[i - 1][j];
        }
      }
      sum[i][s[i] - 'a']++;
    }
    int l = 0;
    for (int i = 0; i < m; i++) {
      cin >> l;
      for (int j = 0; j < 26; j++) {
        har[j] += sum[l - 1][j];
      }
    }
    for (int j = 0; j < 26; j++) {
      har[j] += sum[n - 1][j];
    }
    for (int i = 0; i < 26; i++) {
      cout << har[i] << ' ';
    }
    cout << endl;
  }
}
