set<ull>a;
ll@n;
rep(n){
	string@s,r="No";
	ull h=0;
	for(char c:s){
		h=h*27+c;
	}
	int b=0;
	ull m=0;
	rrep(i,s.size()){
		if(a.count(h+(b-s[i])*m)){
			r="Yes";
		}
		m=m?m*27:26;
		b=s[i];
	}
	wt(r);
	a.insert(h);
}