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#include <iostream>

using namespace std;

string solve(int n, int k) {
    string result;
    if (k == 1) {
        result = "AP";
        if (n < 3) {
            return result.substr(0, n);
        }
        else {
            return "NIE";
        } 
    }
    else if (k == 2) {
        result = "AAPP";
        if (n < 5) {
            return result.substr(0, n);
        }
        else {
            return "NIE";
        } 
    }
    else if (k == 3) {
        result = "AAAPAPPPA";
        if (n < 9) {
            return result.substr(0, n);
        }
        else {
            return "NIE";
        } 
    }
    else {
        string tak = "PAPPAA";
        string result = ""; 
        for (int i = 0; i < k; i++) {
            result += "A";
        }
        for (int i = 0; i < n - k; i++) {
            result += tak[i % 6];
        } 

        return result;
    }
    
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    int q;
    cin >> q;

    for (int i = 0; i < q; i++) {
        int n, k;
        cin >> n >> k;
        cout << solve(n, k) << "\n";
    }
}