#include <bits/stdc++.h>
using namespace std;

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

	map<char, vector<pair<int, int>>> nodes;
	string line;
	vector<string> lines;
	while (getline(cin, line) && !line.empty()) {
		lines.push_back(line);
	}

	int mx = lines.size(), my = lines[0].size();

	for (int x = 0; x < mx; x++) {
		for (int y = 0; y < my; y++) {
			char c = lines[x][y];
			if (c != '.') {
				nodes[c].push_back({x, y});
			}
		}
	}

	set<pair<int, int>> total;
	for (auto &[c, poss] : nodes) {
		for (int a = 1; a < poss.size(); a++) {
			for (int b = 0; b < a; b++) {
				vector<pair<int, int>> pos = {
					{poss[b].first * 2 - poss[a].first,
					 poss[b].second * 2 - poss[a].second},
					{poss[a].first * 2 - poss[b].first,
					 poss[a].second * 2 - poss[b].second}};
				for (auto &x : pos) {
					if (x.first >= 0 && x.first < mx && x.second >= 0 &&
						x.second < my) {
						total.insert(x);
					}
				}
			}
		}
	}

	cout << total.size() << '\n';
}