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The only 15 letter word that can be spelled without repeating a letter is uncopyrightable。
uncopyrightable(不可赋予版权的)是唯一个由15个完全不重复的字母组成的单词。
youdao
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The only 15 letter word that can be spelled without repeating a letter is uncopyrightable。
uncopyrightable(不可赋予版权的)是唯一个由15个完全不重复的字母组成的单词。
youdao