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  2. Free monoid - Wikipedia

    en.wikipedia.org/wiki/Free_monoid

    More generally, if S is an abstract free monoid (semigroup), then a set of elements which maps onto the set of single-letter words under an isomorphism to a monoid A ∗ (semigroup A +) is called a set of free generators for S. Each free monoid (or semigroup) S has exactly one set of free generators, the cardinality of which is called the rank ...

  3. Longest word in English - Wikipedia

    en.wikipedia.org/wiki/Longest_word_in_English

    The longest word whose letters are in alphabetical order is the eight-letter Aegilops, a grass genus. However, this is arguably a proper noun. There are several six-letter English words with their letters in alphabetical order, including abhors, almost, begins, biopsy, chimps and chintz. [32]

  4. Scrabble letter distributions - Wikipedia

    en.wikipedia.org/wiki/Scrabble_letter_distributions

    The letters Q, X and Z are absent since these letters are very rare and only occur in foreign words. These letters and the foreign letters "Ä", "Ö" and "Ü", which are used in a few Norwegian words, can be played with a blank. C and W also occur only in foreign words, but they are not so rare, [35] so they were included.

  5. Game Of The Day: Just Words - AOL

    www.aol.com/news/2015-04-23-game-of-the-day-just...

    Updated August 10, 2016 at 7:11 PM Today's game of the day is a Games.com exclusive: Just Words provided by Masque Publishing. If you love scrabble, you will love the wonderful word game fun of ...

  6. AOL Mail is free and helps keep you safe.

    mail.aol.com/?icid=aol.com-nav

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. Word ladder - Wikipedia

    en.wikipedia.org/wiki/Word_ladder

    Word ladder (also known as Doublets, [1] word-links, change-the-word puzzles, paragrams, laddergrams, [2] or word golf) is a word game invented by Lewis Carroll. A word ladder puzzle begins with two words, and to solve the puzzle one must find a chain of other words to link the two, in which two adjacent words (that is, words in successive ...

  8. Word (group theory) - Wikipedia

    en.wikipedia.org/wiki/Word_(group_theory)

    The words 1, r, r 2, ..., r n-1, s, sr, ..., sr n-1 are a normal form for the dihedral group Dih n with S = {s, r} and 1 as above. The set of words of the form x m y n for m,n ∈ Z are a normal form for the direct product of the cyclic groups x and y with S = {x, y}. The set of reduced words in S are the unique normal form for the free group ...

  9. Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.