Yin le jiao yu- jiao xue yan jiu Shu xue jiao xue- jiao xue yan jiu Di li- jiao xue yan jiu Yin du yin yue jiao yu yan jiu/ Yin le ke jiao xue yan jiu/ You er yin le jiao cai jiao fa yan jiu/ Guo xiao ti yu jiao xue yan jiu/ Hua ju- cao yu- wen xue yan jiu Zi ran ke jiao xue yan jiu/ Xi fang gu dian xue yan jiu