#include <bits/stdc++.h>
using namespace std;
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
const int z=0,o=1;
int n,m;cin>>n>>m;
vector<string>s(n);
for(int i=z;i<n;i+=o)cin>>s[i];
while(m--){
string p,q;cin>>p>>q;
int c=z;
for(int i=z;i<n;i+=o){
if((int)s[i].size()>= (int)p.size()+(int)q.size() &&
s[i].substr(z,p.size())==p &&
s[i].substr(s[i].size()-q.size(),q.size())==q)
c+=o;
}
cout<<c<<"\n";
}
return z;
}
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