#include <bits/stdc++.h>
#define fi first
#define se second
#define ll long long
#define pl pair<ll, ll>
#define pi pair<int, int>
#define minpq priority_queue<ll, vector<ll>, greater<ll>>
using namespace std;

#if 1
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 << endl << flush;}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#define debug(x...) cerr << "*["<<__LINE__<<"]\t"<< #x << " = "; _print(x)
#endif

const ll mod = 1e9 + 7;

template<typename T> bool chkmin(T &a, T b){return (b < a) ? a = b, 1 : 0;}
template<typename T> bool chkmax(T &a, T b){return (b > a) ? a = b, 1 : 0;}
ll gcd(ll a, ll b) {if(b == 0){return a;} return gcd(b, a % b);}

struct card{
	int a[4];
};

#define pc pair<card, card>

bool isset(vector<card> v){
	bool ok = true;
	for (int i = 0; i < 4; i ++){
		bool allsame = true, alldiff = true;
		for (int j = 0; j < 3; j ++){
			for (int k = j + 1; k < 3; k ++){
				if (v[j].a[i] != v[k].a[i]) allsame = false;
				else alldiff = false;
			}
		}
		if (! allsame && ! alldiff) ok = false;
	}
	return ok;
}

bool good(vector<pc> v){
	for (int i = 0; i < (1 << 3); i ++){
		vector<card> v1, v2;
		for (int j = 0; j < 3; j ++){
			if ((i >> j) & 1){
				v1.push_back(v[j].fi);
				v2.push_back(v[j].se);
			} else{
				v1.push_back(v[j].se);
				v2.push_back(v[j].fi);
			}
		}
		if (isset(v1) && isset(v2)) return true;
	}
	return false;
}
 
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n; cin >> n;
	map<char, int> mp;
	mp['1'] = 0; mp['2'] = 1; mp['3'] = 2;
	mp['A'] = 0; mp['D'] = 1; mp['O'] = 2;
	mp['E'] = 0; mp['S'] = 1; mp['F'] = 2;
	mp['R'] = 0; mp['G'] = 1; mp['B'] = 2;
	vector<pc> a;
	for (int i = 0; i < n; i ++){
		card c1, c2;
		string s1, s2; cin >> s1 >> s2;
		for (int i = 0; i < 4; i ++){
			c1.a[i] = mp[s1[i]];
			c2.a[i] = mp[s2[i]];
		}
		a.push_back({c1, c2});
	}
	int ans = 0;
	for (int i = 0; i < n; i ++){
		for (int j = i + 1; j < n; j ++){
			for (int k = j + 1; k < n; k ++){
				vector<pc> v = {a[i], a[j], a[k]};
				if (good(v)){
					ans ++;
				}
			}
		}
	}
	cout << ans << '\n';
}