SEMOW QML

main.qml

import QtQuick 2.7
import QtQuick.Controls 2.0
import QtQuick.Layouts 1.3

ApplicationWindow {
	visible: true
	width: 640
	height: 480
	title: qsTr("seMOw")

	header: Rectangle {
		width: parent.width
		height: 50
		color: "lightgray"

		RowLayout {
			anchors.fill: parent

			TextInput {
				id: wordInput
				Layout.fillWidth: true
				Layout.fillHeight: true
				width: 200
				Layout.minimumWidth: 100
				Layout.alignment: Qt.AlignHCenter | Qt.AlignVCenter
			}

			Button {
				id: searchButton
				text: "Search"
				Layout.fillWidth: true
				Layout.fillHeight: true
			}
		}
	}

 Connections {
		 target: searchButton
		 onClicked: {
			 permutate(wordInput.text)
			 wordInput.text = ""
		 }
 }

 ListModel {
	 id: imageModel
 }

 ListView {
	 id: imageListView
//	 spacing: 15
	 anchors.fill: parent
	 model: imageModel
	 cacheBuffer: 104800

	 delegate: AnimatedImage {
		 source: model.url
		 fillMode: Image.PreserveAspectFit
		 width: parent.width
		 anchors.topMargin: 15
		 anchors.bottomMargin: 15
//		 visible:
		 onStatusChanged: {
			 if (this.status == AnimatedImage.Ready) {
				 if (this.source == "https://i.imgur.com/removed.png") {
					 this.visible = false
				 }
			 }
		 }


		 Label {
			 width: parent.width
			 text: parent.status == Image.Ready ? model.url : "Loading"
			 anchors.bottom: parent.top
			 horizontalAlignment: Qt.AlignHCenter
		 }
	 }
 }

function permutate(word) {
	imageModel.clear()
	var urls = [];
	var s = word;
	var sp = s.split("");
	for (var i = 0, l = 1 << s.length; i < l; i++) {
		for (var j = i, k = 0; j; j >>= 1, k++) {
			sp[k] = (j & 1) ? sp[k].toUpperCase() : sp[k].toLowerCase();
		}
		var st = "https://i.imgur.com/"+sp.join("")+".jpg";
		urls.push(st);
//		imageModel.append({"url":st});

	}

	var uniqueURLS = [];
	urls.forEach(function(el){
			if(uniqueURLS.indexOf(el) == -1) {
				imageModel.append({"url":el});
				uniqueURLS.push(el);
				console.log(el);
			}
	});
	imageListView.update()
}
}

Now supports numbers in the input without duplication