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#include<iostream>
#include<cstring>
using namespace std;
struct bookes{
	string book;
}books[1001];
struct needes{
	string need;
}needs[1001];
struct shuchues{
	string shuchu;
}shuchus[1001];
int main(){
	int n,q;cin>>n>>q;
	string son_string;
	for(int i=1;i<=n;i++)shuchus[i].shuchu="-1";
	for(int i=1;i<=n;i++)cin>>books[i].book;
	for(int i=1;i<=q;i++){
		cin>>needs[i].need;
		for(int j=1;j<=n;j++){
			son_string=books[j].book.substr(books[j].book.length()-needs[i].need.length(),needs[i].need.length());
			if(son_string==needs[i].need&&son_string>shuchus[i].shuchu)shuchus[i].shuchu=son_string;
		}
	}
	for(int i=1;i<=n;i++)cout<<shuchus[i].shuchu<<endl;
}