#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++)
#define REV(i,n) for(int i=n-1;i>=0;i--)
#define FOR(i,a,b) for(int i=a;i<=b;i++)
#define pri(a) cout<<a<<endl
#define prii(a,b) cout<<a<<" "<<b<<endl
using namespace std;
string anagrams(string s) ///removing spaces from the string
{
string tst (s);
tst.erase(remove(ALL(tst),' '), tst.end()); ///**
sort(ALL(tst));
return tst;
}
int main()
{
string s[1234];
int T;
cin>>T;
getchar();
getchar();
while(T--)
{
int idx = 0;
while(getline(cin,s[idx++]) and s[idx-1]!="")
sort(s,s+idx);
REP(i,idx)
{
FOR(j,i+1,idx-1)
{
if(anagrams(s[i]) == anagrams(s[j]))
{
cout << s[i] << " = " << s[j] << endl;
}
}
}
if(T) cout << "\n";
}
return 0;
}
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