package main import ( "fmt" ) func main() { var N int fmt.Scan(&N) S := make([]string, N) for i := 0; i < N; i++ { fmt.Scan(&S[i]) } mm := make(map[string]int) for _, s := range S { for k := 0; k < len(s); k++ { s1 := s[0:k] + "?" + s[k+1:] mm[s1] = mm[s1] + 1 } } for _, s := range S { count := 0 for k := 0; k < len(s); k++ { s1 := s[0:k] + "?" + s[k+1:] count += mm[s1] - 1 } fmt.Println(count) } }