===================================================================
--- original.js
+++ change.js
@@ -69,9 +69,9 @@
 		});
 	};
 	self.onClickCell = function () {
 		//Fonction appelée lors du click sur la cellule
-		if (!self.clickable) {
+		if (!self.clickable || self.letter == '') {
 			return;
 		}
 		self.isClicked = true;
 		self.setColorToLetter("#FF0000");
@@ -82,9 +82,8 @@
 var LettersGrid = Container.expand(function (columns, lines, assetName) {
 	var self = Container.call(this);
 	self.gridColumns = columns;
 	self.gridLines = lines;
-	//self.cellSize = 200;
 	self.clickable = true; //Indique si la grille est cliquable
 	self.cells = [];
 	self.emptyCells = []; //Liste des cellules vides
 	self.initializeGrid = function () {
@@ -122,13 +121,26 @@
 				//Fonction appelée lors du click sur la cellule
 				this.onClickCell();
 			});
 			cell.clickable = self.clickable;
-			self.emptyCells.push(cell);
+			if (letter === '') {
+				self.emptyCells.push(cell);
+			}
 			self.gridColumns++;
+			self.x -= cell.cellSize / 2; //Repositionnement de la grille
 		}
 		return cell;
 	}; //Fin de la fonction addCell
+	self.removeCell = function (index) {
+		//Only when there is only one gridLine, remove a cell from the grid at the given index
+		if (self.gridLines === 1 && index >= 0 && index < self.gridColumns) {
+			var cell = self.cells[0][index];
+			self.removeChild(cell);
+			self.cells[0].splice(index, 1);
+			self.gridColumns--;
+			self.x += cell.cellSize / 2; //Repositionnement de la grille
+		}
+	}; //Fin de la fonction removeCell
 	self.addLetter = function (letter) {
 		var added = false;
 		for (var i = 0; i < self.gridLines && !added; i++) {
 			for (var j = 0; j < self.gridColumns && !added; j++) {
@@ -233,17 +245,17 @@
 var policeSize = 128;
 var lettersGrid = game.addChild(new LettersGrid(3, 1, 'cell'));
 lettersGrid.clickable = false;
 lettersGrid.initializeGrid();
-lettersGrid.x = (game.width - lettersGrid.width) / 2;
+lettersGrid.x = (game.width - lettersGrid.width) / 2 + lettersGrid.height / 2;
 lettersGrid.y = ScoreZone.height + lettersGrid.height / 2;
 var mainGrid = game.addChild(new LettersGrid(6, 6, 'cell'));
 mainGrid.initializeGrid();
-mainGrid.x = (game.width - mainGrid.width) / 2;
+mainGrid.x = (game.width - mainGrid.width) / 2 + lettersGrid.height / 2;
 mainGrid.y = ScoreZone.height + 2 * lettersGrid.height;
-var wordGrid = game.addChild(new LettersGrid(1, 1, 'cell'));
+var wordGrid = game.addChild(new LettersGrid(1, 1, 'cellWord'));
 wordGrid.initializeGrid();
-wordGrid.x = (game.width - wordGrid.width) / 2;
+wordGrid.x = (game.width - wordGrid.width) / 2 - wordGrid.height / 2 + lettersGrid.height / 2;
 wordGrid.y = ScoreZone.height + lettersGrid.height + mainGrid.height + 2 * lettersGrid.height;
 var lettersToAdd = [];
 var currentLetterIndex = 0;
 var wordsToBegin = pickAndShakeWords(1); // Pick and shuffle words from the main list
@@ -295,13 +307,36 @@
 	}
 } //Fin de la fonction transfertLettersToMainGrid
 //Fonction addCellLetterToWord : permet d'ajouter une cellule à la liste des lettres formant le mot situé sous la grille
 function addCellLetterToWord(letter) {
-	var cellLetter = new GridCell(letter, 'cell');
+	var cellLetter = new GridCell(letter, 'cellWord');
 	wordGrid.addCell(letter, 'cell');
 } //Fin de la fonction addCellLetterToWord
 game.update = function () {
 	updateScoreTest(scoreTest);
+	//Recherche de la lettre cliquée et ajout de la lettre à la liste des lettres formant le mot
+	for (var i = 0; i < mainGrid.gridLines; i++) {
+		for (var j = 0; j < mainGrid.gridColumns; j++) {
+			if (mainGrid.cells[i][j].isClicked) {
+				addCellLetterToWord(mainGrid.cells[i][j].letter);
+				mainGrid.cells[i][j].isClicked = false;
+				mainGrid.cells[i][j].setColorToLetter("#FFFFFF");
+				mainGrid.cells[i][j].setLetter('');
+			}
+		}
+	}
+	for (var i = 0; i < wordGrid.gridLines; i++) {
+		for (var j = 0; j < wordGrid.gridColumns; j++) {
+			if (wordGrid.cells[i][j].isClicked) {
+				//Retrait de la lettre cliquée du mot
+				wordGrid.cells[i][j].setLetter('');
+				wordGrid.cells[i][j].isClicked = false;
+				wordGrid.cells[i][j].removeCell(j);
+				//Ajout de la lettre à la grille principale
+				mainGrid.addRandomLetter(wordGrid.cells[i][j].letter);
+			}
+		}
+	}
 	if (LK.ticks % 60 == 0) {
 		//Si la liste des lettres à ajouter n'est pas vide, on ajoute toutes les lettres puis on supprime les lettres de la liste
 		if (lettersToAdd.length > 0 && lettersGrid.isEmpty()) {
 			for (var i = 0; i < lettersGrid.gridColumns && lettersToAdd.length > 0; i++) {
@@ -313,18 +348,8 @@
 		if (mainGrid.isFull()) {
 			mainGrid.colorAllCells("#FF0000");
 			LK.showGameOver();
 		}
-		//Recherche de la lettre cliquée et ajout de la lettre à la liste des lettres formant le mot
-		for (var i = 0; i < mainGrid.gridLines; i++) {
-			for (var j = 0; j < mainGrid.gridColumns; j++) {
-				if (mainGrid.cells[i][j].isClicked) {
-					addCellLetterToWord(mainGrid.cells[i][j].letter);
-					mainGrid.cells[i][j].isClicked = false;
-					mainGrid.cells[i][j].setColorToLetter("#FFFFFF");
-				}
-			}
-		}
 	}
 }; //Fin de la fonction update
 //Liste des mots en majuscule
 var wordsMainList = ["AARDVARK", "ALBATROSS", "ALLIGATOR", "ALPACA", "ANT", "ANTEATER", "ANTELOPE", "APE", "ARMADILLO", "BABOON", "BADGER", "BAT", "BEAR", "BEAVER", "BEE", "BEETLE", "BISON", "BOAR", "BUFFALO", "BUTTERFLY", "CAMEL", "CANARY", "CAPYBARA", "CARIBOU", "CARP", "CAT", "CATERPILLAR", "CHEETAH", "CHICKEN", "CHIMPANZEE", "CHINCHILLA", "CHOUGH", "CLAM", "COBRA", "COCKROACH", "COD", "CORMORANT", "COYOTE", "CRAB", "CRANE", "CROCODILE", "CROW", "CURLEW", "DEER", "DINOSAUR", "DOG", "DOGFISH", "DOLPHIN", "DONKEY", "DOTTEREL", "DOVE", "DRAGONFLY", "DUCK", "DUGONG", "DUNLIN", "EAGLE", "ECHIDNA", "EEL", "ELAND", "ELEPHANT", "ELK", "EMU", "FALCON", "FERRET", "FINCH", "FISH", "FLAMINGO", "FLY", "FOX", "FROG", "GAUR", "GAZELLE", "GERBIL", "GIRAFFE", "GNAT", "GNU", "GOAT", "GOLDFINCH", "GOLDFISH", "GOOSE", "GORILLA", "GOSHAWK", "GRASSHOPPER", "GROUSE", "GUANACO", "GULL", "HAMSTER", "HARE", "HAWK", "HEDGEHOG", "HERON", "HERRING", "HIPPOPOTAMUS", "HORNET", "HORSE", "HUMMINGBIRD", "HYENA", "IBEX", "IBIS", "JACKAL", "JAGUAR", "JAY", "JELLYFISH", "KANGAROO", "KINGFISHER", "KOALA", "KOOKABURA", "KUDU", "LAPWING", "LARK", "LEMUR", "LEOPARD", "LION", "LLAMA", "LOBSTER", "LOCUST", "LORIS", "LOUSE", "LYREBIRD", "MAGPIE", "MALLARD", "MANATEE", "MANDRILL", "MANTIS", "MARTEN", "MEERKAT", "MINK", "MOLE", "MONKEY", "MOOSE", "MOSQUITO", "MOUSE", "MULE", "NARWHAL", "NEWT", "NIGHTINGALE", "OCTOPUS", "OKAPI", "OPOSSUM", "ORYX", "OSTRICH", "OTTER", "OWL", "OYSTER", "PANTHER", "PARROT", "PARTRIDGE", "PEAFOWL", "PELICAN", "PENGUIN", "PHEASANT", "PIG", "PIGEON", "POLAR BEAR", "PORCUPINE", "PORPOISE", "QUAIL", "QUELEA", "QUETZAL", "RABBIT", "RACCOON", "RAIL", "RAM", "RAT", "RAVEN", "REINDEER", "RHINOCEROS", "ROOK", "SALAMANDER", "SALMON", "SANDPIPER", "SARDINE", "SCORPION", "SEAHORSE", "SEAL", "SHARK", "SHEEP", "SHREW", "SKUNK", "SNAIL", "SNAKE", "SPARROW", "SPIDER", "SPOONBILL", "SQUID", "SQUIRREL", "STARLING", "STINGRAY", "STINKBUG", "STORK", "SWALLOW", "SWAN", "TAPIR", "TARSIER", "TERMITE", "TIGER", "TERN", "THRUSH", "TIGER", "TOAD", "TOUCAN", "TROUT", "TURKEY", "TURTLE", "VIPER", "VULTURE", "WALLABY", "WALRUS", "WASP", "WEASEL", "WHALE", "WILDCAT", "WOLF", "WOMBAT", "WOODCOCK", "WOODPECKER", "WORM", "WREN", "YAK", "ZEBRA"];
\ No newline at end of file