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#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define coutv(v) for(auto e : v) cout << e << " "; cout << endl;
#define coutvp(v) for(auto e : v) cout << e.first << " " << e.second << " "<<endl;

int main(){
    int n; cin>>n;
    vector<string> v(n);

    for(int i=0; i<n; i++) cin>>v[i];
    map<vector<int>, int> mp;
    for(auto it: v){
        vector<int> mpx(26);
        for(auto it2: it){
            mpx[it2-'a']++;
        }
        mp[mpx]++;
    }
    map<vector<int>, int> ansx;
    for(auto it: mp){
        vector<int> temp = it.first;
        for(int i=0; i<26; i++){
            for(int j=0; j<26; j++){
                if(i==j) continue;
                if(temp[i]==0) continue;
                temp[i]--;
                temp[j]++;
                if(mp.find(temp)!=mp.end())
                    ansx[it.first] += mp[temp];
                temp[i]++;
                temp[j]--;
            }
        }
    }
    cout<<mp.size()<<endl;
    vector<int> ans(n);
    for(int i=0; i<n; i++){
        vector<int> temp(26);
        for(auto it: v[i]){
            temp[it-'a']++;
        }
        ans[i] = ansx[temp];
    }
    for(int i=0; i<n; i++){
        cout<<v[i]<<" "<<ans[i]<<endl;
    }
}