import sys input = sys.stdin.readline class Node: def __init__(self): self.num = 0 self.next = [None] * 2 class BinaryTrie: def __init__(self, d): self.root = Node() self.d = d def add(self, n): last = self.root for _ in [0] * self.d: i = n & 1 if(last.next[i] is None): last.next[i] = Node() last = last.next[i] n >>= 1 last.num += 1 def search(self, n): last = self.root for _ in [0] * self.d: i = n & 1 if(last.next[i] is None): return 0 last = last.next[i] n >>= 1 return last.num n = int(input()) d = 50 user = [] trie = BinaryTrie(d) for i in range(n): s = input().rstrip() lis = [0] * len(s) for i in range(len(s)): for j in range(len(s)): k = 26 if(i == j) else ord(s[j]) - ord('a') lis[i] = lis[i] * 27 + k trie.add(lis[i]) user.append(lis) for l in user: ans = 0 for t in l: ans += trie.search(t) - 1 print(ans)