#include<iostream>
#include<vector>
#include<string>
 
using namespace std;
 
int getIndex(char);
 
int getIndex(char asd) {
	int x = static_cast<int>(asd) - 97;
	return x;
}
 
int main() {
	int t;
	cin >> t;
	while (t--) {
		int sum = 0;
		vector<int> price(26);
		vector<int> flag(26, 0);
		string str;
		for (int i = 0; i < 26; i++) {
			cin >> price[i];
		}
		cin >> str;
		for (unsigned int j = 0; j < str.size(); j++) {
			flag[getIndex(str[j])]++;
		}
		for (int k = 0; k < 26; k++) {
			if (flag[k] == 0) { sum += price[k]; }
		}
		cout << sum << endl;
	}
	return 0;
}
 

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