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#include <bits/stdc++.h>
using namespace std;

#ifdef DEBUG
auto &operator<<(auto &o, pair<auto, auto> p) {
    return o << "(" << p.first << ", " << p.second <<")";
}
auto operator<<(auto &o, auto x)-> decltype(x.end(), o) {
    o << "{";int i = 0;
    for(auto e : x) o << ", "+!i++<<e;
    return o <<"}";
}
#define debug(x...) cerr << "["#x"]: ",[](auto...$){((cerr<<$<<"; "),...)<<endl;}(x)
#else
#define debug(...) {}
#endif

#define int long long
#define all(x) x.begin(), x.end()
#define sz(x) (int)(x).size()
#define pb push_back
#define fi first
#define se second
typedef pair <int, int> pii;


void test() {
    debug("TC______________________");
    
    int n, k; cin>>n>>k;

    string magic = "APAAPP";

    if (k >= 4) {
        for (int i=0; i<k; ++i) {
            cout<<"P";
        }
        for (int i=0; i<n-k; ++i) {
            cout<<magic[(i)%6];
        }   
        cout<<'\n';
    }
    else if (k == 3) {
        string b = "PPPAPAAA";
        if (n <= sz(b)) {
            cout<<b.substr(0, n)<<'\n';
        }
        else {
            cout<<"NIE\n";
        }
    }
    else if (k==2) {
        if (n == 2) {
            cout<<"PP\n";
        }
        else if (n == 3) {
            cout<<"PAA\n";
        }
        else if (n == 4) {
            cout<<"PPAA\n";
        }
        else {
            cout<<"NIE\n";
        }
    }
    else {
        if (n == 1) {
            cout<<"P\n";
        }
        else if (n == 2) {
            cout<<"PA\n";
        }
        else {
            cout<<"NIE\n";
        }
    }
}



signed main() {
  ios_base::sync_with_stdio(0); cin.tie(0);
  int t = 1; cin>>t;
  while (t--) {
    test();
  }
}