#include "bits/stdc++.h" using namespace std; #define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i)) #define rer(i,l,u) for(int (i)=(int)(l);(i)<=(int)(u);++(i)) #define reu(i,l,u) for(int (i)=(int)(l);(i)<(int)(u);++(i)) static const int INF = 0x3f3f3f3f; static const long long INFL = 0x3f3f3f3f3f3f3f3fLL; typedef vector vi; typedef pair pii; typedef vector > vpii; typedef long long ll; template static void amin(T &x, U y) { if (y < x) x = y; } template static void amax(T &x, U y) { if (x < y) x = y; } template struct ModInt { static const int Mod = MOD; unsigned x; ModInt() : x(0) { } ModInt(signed sig) { int sigt = sig % MOD; if (sigt < 0) sigt += MOD; x = sigt; } ModInt(signed long long sig) { int sigt = sig % MOD; if (sigt < 0) sigt += MOD; x = sigt; } int get() const { return (int)x; } ModInt &operator+=(ModInt that) { if ((x += that.x) >= MOD) x -= MOD; return *this; } ModInt &operator-=(ModInt that) { if ((x += MOD - that.x) >= MOD) x -= MOD; return *this; } ModInt &operator*=(ModInt that) { x = (unsigned long long)x * that.x % MOD; return *this; } ModInt &operator/=(ModInt that) { return *this *= that.inverse(); } ModInt operator+(ModInt that) const { return ModInt(*this) += that; } ModInt operator-(ModInt that) const { return ModInt(*this) -= that; } ModInt operator*(ModInt that) const { return ModInt(*this) *= that; } ModInt operator/(ModInt that) const { return ModInt(*this) /= that; } ModInt inverse() const { signed a = x, b = MOD, u = 1, v = 0; while (b) { signed t = a / b; a -= t * b; std::swap(a, b); u -= t * v; std::swap(u, v); } if (u < 0) u += Mod; ModInt res; res.x = (unsigned)u; return res; } }; template ModInt operator^(ModInt a, unsigned long long k) { ModInt r = 1; while (k) { if (k & 1) r *= a; a *= a; k >>= 1; } return r; } typedef ModInt<1000000007> mint; vector fact, factinv; void nCr_computeFactinv(int N) { N = min(N, mint::Mod - 1); fact.resize(N + 1); factinv.resize(N + 1); fact[0] = 1; rer(i, 1, N) fact[i] = fact[i - 1] * i; factinv[N] = fact[N].inverse(); for (int i = N; i >= 1; i --) factinv[i - 1] = factinv[i] * i; } mint nCr(int n, int r) { if (n >= mint::Mod) return nCr(n % mint::Mod, r % mint::Mod) * nCr(n / mint::Mod, r / mint::Mod); return r > n ? 0 : fact[n] * factinv[n - r] * factinv[r]; } struct Node { Node *next[27]; int num; Node() : next{}, num(0) {} }; int main() { int N; while (~scanf("%d", &N)) { vector nodes(202001); int nNodes = 0; Node *root = new(&nodes[nNodes ++]) Node; const int A = 26; vector path; rep(i, N) { char S[200001]; scanf("%s", S); path = { root }; Node *t = root; for (const char *p = S; *p; ++ p) { auto &x = t->next[*p - 'a']; if (!x) x = new(&nodes[nNodes ++]) Node; t = x; path.push_back(t); } for (auto p : path) ++ p->num; } vector counts(N + 1); reu(i, 1, nNodes) ++ counts[nodes[i].num]; nCr_computeFactinv(N); vector ans(N + 1); rer(n, 2, N) { rer(K, 1, N) { mint sum; rer(k, 1, min(n, K)) { mint ways = nCr(n, k) * nCr(N - n, K - k); sum += ways * min(k, n - 1); } sum *= fact[K]; ans[K] += sum * counts[n]; } } rer(K, 1, N) { mint total = fact[N] * factinv[N - K]; ans[K] += total * K; printf("%d\n", ans[K].get()); } } return 0; }