/*
灏忓簾鐗╋紝杩欓兘涓嶄細 /cf
*/
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define mp make_pair
#define inf (ll)1e9
#define pii pair <ll, ll>
#define fr first
#define se second
const ll mod = 1e9 + 7;
//char buf[1 << 21], *p1 = buf, *p2 = buf;
//#define getchar() (p1 == p2 && (p2 = (p1 = buf) + fread(buf, 1, 1 << 18, stdin), p1 == p2) ? EOF : *p1++)
inline ll read() {
	ll x = 0, f = 1;
	char ch = getchar();
	while(ch < '0' || ch > '9') f = ((ch == '-') ? -1 : f), ch = getchar();
	while(ch >= '0' && ch <= '9') x = x * 10 + ch - '0', ch = getchar();
	return x * f;
}
inline void write(ll x) {
	if(x < 0) x = -x, putchar('-');
	if(x >= 10) write(x / 10);
	putchar(x % 10 + '0');
}
inline ll quickmod(ll x, ll y) {
	ll Ans = 1;
	while(y) {
		if(y & 1) Ans = (1ll * Ans * x) % mod;
		x = (1ll * x * x) % mod;
		y >>= 1;
	}
	return Ans;
}
inline void Add(ll &x, ll y) {
	x += y;
	if(x >= mod) x -= mod;
}
inline void Dec(ll &x, ll y) {
	x -= y;
	if(x < 0) x += mod;
}
inline ll add(ll x, ll y) {
	x += y;
	if(x >= mod) x -= mod;
	return x;
}
inline ll dec(ll x, ll y) {
	x -= y;
	if(x < 0) x += mod;
	return x;
}
char ch[1000005];
struct SAM {
	ll tot = 1, Lst = 1;
	int t[2000005][26], len[2000005], fa[2000005];
	inline ll insert(ll lst, ll c) {
		ll p = lst, np = lst = ++tot;
		len[np] = len[p] + 1;
		while(p && !t[p][c]) t[p][c] = np, p = fa[p];
		if(!p) fa[np] = 1;
		else {
			ll x = t[p][c];
			if(len[x] == len[p] + 1) fa[np] = x;
			else {
				ll ano = ++tot;
				len[ano] = len[p] + 1, fa[ano] = fa[x];
				memcpy(t[ano], t[x], sizeof (t[x]));
				fa[x] = fa[np] = ano;
				while(p && t[p][c] == x) t[p][c] = ano, p = fa[p];
			} 
		}
		return Lst = lst;
	}
	inline ll get_ans() {
		ll Ans = 0;
		for(ll i = 2; i <= tot; i++) Ans += len[i] - len[fa[i]];
		return Ans;
	}
}S;
int main() {
//	freopen(".in", "r", stdin);
//	freopen(".out", "w", stdout);
	ll T = read();
	while(T--) {
		S.Lst = 1;
		scanf("%s", ch + 1);
		ll n = (ll)strlen(ch + 1);
		for(ll i = 1; i <= n; i++) S.insert(S.Lst, ch[i] - 'a');
	}
	write(S.get_ans()), putchar('\n');
	return 0;
}
/*
*/