声母R组合
rang ran ru rou ren rong ruo ruan rao re rui run reng ri ruo re ru ri run rui rou ruan ran reng rang ren rao rong rui ran ruan rou rao ren ru ruo ri run reng rong rang re run ri ren reng rao ruan ru rou rui re rong ruo rang ran ru ran rong rui re ruo reng rou rao run ren rang ruan ri
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