Best guess: If no Suggestions have been found, add all dictionary words that have the same phonetic code as the misspelled word and with the smallest edit distance from the misspelled word.
最佳猜测：如果没有找到建议，就加入字典中所有与拼写错误的单词的语音代码相同的单词，以及与拼写错误的单词编辑距离最小的单词。
For these codes, add all dictionary words that have the same phonetic code as the misspelled word and whose edit distance from the misspelled word is less than a given threshold.
对于这些代码，加入字典中所有与拼写错误单词语音编码相同的单词，以及与拼写错误单词的编辑距离小于指定阈值的单词。
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