#include <cstdio>

#include <map>

#include <set>

#include <string>

#include <vector>

#include <algorithm>

#include <cctype>

#include <iostream>

using namespace std;

string repr(const string& s)

{

    string ans=s;

    for(int i=;i<ans.length();i++)

    ans[i]=tolower(ans[i]);

    sort(ans.begin(),ans.end());

    return ans;

}

map<string,int> cnt;

vector<string> words;

int main()

{

    int n=;

    string s;

    while(cin>>s)

    {

        if(s[]=='#') break;

        words.push_back(s);

        string r=repr(s);

        if(!cnt.count(r)) cnt[r]=;

        cnt[r]++;

    }

    vector<string> ans;

    for(int i=;i<words.size();i++)

    if(cnt[repr(words[i])]==)

    ans.push_back(words[i]);

    sort(ans.begin(),ans.end());

    for(int i=;i<ans.size();i++)

    cout<<ans[i]<<endl;

    return ;

}

/*

ladder came tape soon leader acme RIDE lone Dreis peat

ScAlE orb eye Rides dealer Note derail LaCes drIed

noel dire Disk mace Rob dries

#

*/