process.stdin.resume();
process.stdin.setEncoding('ascii');

var input_stdin = "";
var input_stdin_array = "";
var input_currentline = 0;

process.stdin.on('data', function (data) {
    input_stdin += data;
});

process.stdin.on('end', function () {
    input_stdin_array = input_stdin.split("\n");
    main();    
});

function readLine() {
    return input_stdin_array[input_currentline++];
}

/////////////// ignore above this line ////////////////////

function main() {
    var q = parseInt(readLine());
    
    var hackerRank;
    var char;
    for(var a0 = 0; a0 < q; a0++){
        var s = readLine().toLowerCase();
        hackerRank = {
            'h': [],
            'a': [],
            'c': [],
            'k': [],
            'e': [],
            'r': [],
            'n': []
        };
        
        for(var i = 0, l = s.length; i < l; i++) {
            char = s[i];
            if (hackerRank[char]) {
                hackerRank[char].push(i);
            }
        }
        determineHackerRankPresence(hackerRank);
    }
    
    function determineHackerRankPresence(hackerRank) {
        var chars = ['h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k'];
        var c;
        var currPosition, prevPosition = -1, doesContainHackerRank = true;
        for (var i = 0, l = chars.length; i < l; i++) {
            c = chars[i];
            currPosition = hackerRank[c].splice(0, 1)[0];
            while (currPosition !== undefined && currPosition < prevPosition) {
                currPosition = hackerRank[c].splice(0, 1)[0];
                if (!currPosition) {
                    break;
                }
            }
            doesContainHackerRank = currPosition !== undefined;
            if (!doesContainHackerRank) {
                break;
            }
            prevPosition = currPosition;
        }
        if (doesContainHackerRank) {
            console.log('YES');
        } else {
            console.log('NO');
        }
    }
}