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 included as they are used for borrowed words, or in the case of "7", optionally at the beginning of a word. In the word game PinyinPal, a Pinyin version, these 100 tiles are used: The V is used to represent Ü. Polish-language editions of Scrabble use these 100 tiles. This set has been used since 2000. Before that year, a slightly different configuration was used: Ź was worth 7 points, F was worth 4 points, and there were 2 "Fs", and 8 "As". The letters "Q", "V" and "X" have always been absent (since they are used in foreign words),