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A letter bank is a relative of the anagram where all the letters of one word (the "bank") can be used as many times as desired (minimum of once each) to make a new word or phrase. For example, IMPS is a bank of MISSISSIPPI and SPROUT is a bank of SUPPORT OUR TROOPS. The term "letter bank" was coined by Will Shortz at the 1980 convention of the National Puzzlers League. This puzzle type is the basis for the word game Alpha Blitz. An imperfect anagram letter bank algorithm, could be used to correct spelling mistakes, overcome transposition, dyslexic errors and double letter errors. Combined with other algorithms such as soundex, metaphone and Levenshtein distance, it could make a very powerful did you mean response to search engine queries. ==Examples== * The city name Ballarat would have a letter bank value of ABLRT * The bank of TENNESSEE can spell SENT, TENS, and NEST. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「letter bank」の詳細全文を読む スポンサード リンク
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