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