多音字重组的相关代码。如：比如 [a,b,c],[b],[f],[f,d] 这种数据格式，排列成: abff, abfd, bbff,bbfd,cbff,fbfd这种排列组合。(The relevant code polyphone reorganization. For example, such data formats as [a, B, c], [b], [f], [f, d] are arranged as abff, ABFD, bbff, bbfd, cbff, and comb