집중해라 책 책 책 책
집중해라 책 책 책 책 .
t̠ʃ i p t̠ʃ u ŋ h æ ɾ a WORD_BOUNDARY t̠ʃ h æ ɡ WORD_BOUNDARY t̠ʃ h æ ɡ WORD_BOUNDARY t̠ʃ h æ ɡ WORD_BOUNDARY t̠ʃ h æ ɡ WORD_BOUNDARY
집 중 해 라 WORD_BOUNDARY 책 WORD_BOUNDARY 책 WORD_BOUNDARY 책 WORD_BOUNDARY 책 WORD_BOUNDARY . WORD_BOUNDARY