#define LL long long
#define SZ(x) ((int)(x).size())
#define ALL(x) (x).begin(),(x).end()
#define REP(i,n) for(int i=0;i<n;i++)
using namespace std;
int main()
{
string s;
map<string,int> freq;
map<string,string> store;
while(cin>>s and s!="#")
{
string tmp = s;
transform(ALL(s), s.begin(), ::tolower); ///***
sort(ALL(s));
freq[s]++;
store[s] = tmp;
}
vector <string> vs;
map<string,int> :: iterator it;
for(it=freq.begin(); it!=freq.end(); it++)
{
if(it->second == 1) ///***
{
vs.push_back( store[it->first] ); ///***
}
}
sort(ALL(vs));
REP(i,SZ(vs))
{
cout << vs[i] << "\n";
}
return 0;
}
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