Scrabble of points for each lettered tile is based on the letter's frequency in standard English; commonly used letters such as vowels are worth one point, while less common letters score higher, with Q and Z each worth 10 points. The game also has two blank tiles that are unmarked and carry no point value. The blank tiles can be used as substitutes for any letter; once laid on the board, however, the choice is fixed. Other language sets use different letter set distributions with different point values. Tiles are usually made of wood or plastic and are square and thick,
Scrabble letter distributions or the 119-tile distribution produced by J.W. Spear & Sons, James Brunot's Production and Marketing Company produced and outsourced, in the mid-1950s, its production of German sets with a different 100-tile distribution: In 2008, a German edition of the Mattel-licensed product, Super Scrabble, was released by the game publisher Piatnik. The set is composed of the following 200 tiles: The underlines indicate the distribution contains one tile fewer for the letter than would be if the 102 tiles of the current language set were simply doubled. Note that the quasi-letter ß "(Eszett)" is not used. This is because its capital