Scrabble letter distributions "X" are not used in Turkish and therefore do not appear in the set. Blanks may not represent these letters, meaning loanwords that may use them may not appear in the game at all. Tuvan-language Scrabble sets, which use Cyrillic letters, use these 125 tiles: The distribution lacks four letters used only in loanwords: Ф, Ц, Щ, and Ь. This version is made for educational purposes and is not an official edition by Mattel. An optimum Ukrainian-language Scrabble sets, which use Cyrillic letters, contain 104 tiles using this distribution: The apostrophe sign is also included, even though it is not
Scrabble variants a player before his turn can pick up the blank and replace it by the letter that it represents. For example, if the word STRETTa is on the board (with a blank A), the player may pick up the blank and replace it with an actual A. However, he cannot replace it with an E, I, or O to produce STRETTE, STRETTI, or STRETTO. Solitaire Scrabble follows the same rules and word acceptability as normal Scrabble, but there is only one player. Solitaire Scrabble can be played against a clock, trying to get the most points in a certain length