Given a list of common words, sorted in order of prevalence of use, is it possible to form word combinations of an arbitrary length (any desired number of words) in order of the 'most common' sequences. For example,if the most common words are 'a, b, c' then for combinations of length two, the following would be generated:Given a list of common words, sorted in order o
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在PHP中生成任意长度的有序（加权）组合
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