#include<bits/stdc++.h>
using namespace std;
int main(){
int n;
cin >> n;
int a[4][676];
int c[4556976];
long long fin = 0;
for(int i = 0; i < 676; i++){
for(int j = 0; j < 4; j++)a[j][i]=0;
}
for(int i = 0; i < 4556976; i++){
c[i]=0;
}
for(int i = 0; i < n; i++){
char t1, t2, t3, t4;
cin >> t1 >> t2 >> t3 >> t4;
a[0][26*(t1-'A')+t2-'A']++;
a[1][26*(t3-'A')+t4-'A']++;
a[2][26*(t1-'A')+t3-'A']++;
a[3][26*(t2-'A')+t4-'A']++;
fin+=a[0][26*(t3-'A')+t4-'A']+a[1][26*(t1-'A')+t2-'A']+a[2][26*(t2-'A')+t4-'A']+a[3][26*(t1-'A')+t3-'A'];
c[26*(26*(26*(t1-'A')+t2-'A')+t3-'A')+t4-'A']++;
fin-=c[26*(26*(26*(t2-'A')+t1-'A')+t4-'A')+t3-'A']+26*(26*(26*(t3-'A')+t4-'A')+t1-'A')+t2-'A';
if(26*(26*(26*(t2-'A')+t1-'A')+t4-'A')+t3-'A'==26*(26*(26*(t3-'A')+t4-'A')+t1-'A')+t2-'A'){
fin-=c[26*(26*(26*(t2-'A')+t1-'A')+t4-'A')+t3-'A'];
}
}
cout << fin;
return 0;
}
