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혀 모양에 따른 의 조화
단순모음(Simple Vowels)
 
모음유형1) 가로모음 / 세로모음
 
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H*Vowels & V*Vowels - Letter Programming(Advanced Crs.)
 
Learning Hangle
Grammar Lec.
Basic Course
* Vowels
Exam/Test
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