### 05—变元音字母ÄÖ.wmv **Size** 46495877 B **MD5** 061395521ebaf77d65b335c7c28e0636 **SHA1** 1e402d4b4611c19fc079e87a5bbca7cd693bfc12 ### 07—元音组合aiei+元音组合euäu.wmv **Size** 42822351 B **MD5** 66840a9111f32f05bd4b95a389720d4a **SHA1** 88167f8ee89820349785e7de976a3fcb396b4211