#include <cstdio>
#include <string>
#include <iostream>
#include <vector>
#include <cstring>

using namespace std;

int main()
{
    freopen("input.txt","r",stdin);
    freopen("output.txt","w",stdout);
    int n;
    scanf("%d\n",&n);
    string a[15];
    int len[15];
    int ruleKind['z'-'a'+5];
    memset(ruleKind,-1,sizeof(ruleKind));
    for(int i=0;i<n;i++)
    {
       getline(cin,a[i]);
       len[i]=a[i].length();
       for(int j=0;j<len[i];j++)
       {
          ruleKind[a[i][j]-'a']=i;
       }
    }
    string s;
    getline(cin,s);
    if(n==0)
    {
      cout<<s;
      return 0;
    }
    int i,j,k;
    bool c,check;
    while(true)
    {
        c=false;
        i=0;
        while(i<s.length())
        {
            j=ruleKind[s[i]-'a'];
           if(j==-1){i++;continue;}
               if(len[j]+i<=s.length())
               {
                 check=true;
                 for(k=i;k-i<len[j];k++)
                 {
                    if(s[k]!=a[j][k-i])
                    {
                       check=false;
                       break;
                    }
                 }
                 if(check)
                 {
                   s.erase(i,len[j]);
                   c=true;
                 }
               }

           i++;
        }
        if(!c||s.length()==0)break;
    }
    if(s.length()==0)printf("\n");else cout<<s;
}