no me he sabido la lección
no me he sabido la lección .
n o̞ WORD_BOUNDARY m e̞ WORD_BOUNDARY e̞ WORD_BOUNDARY s a β i d o̞ WORD_BOUNDARY l a WORD_BOUNDARY l e̞ k s i o̞ n WORD_BOUNDARY
n o WORD_BOUNDARY m e WORD_BOUNDARY h e WORD_BOUNDARY s a b i d o WORD_BOUNDARY l a WORD_BOUNDARY l e c c i ó n WORD_BOUNDARY . WORD_BOUNDARY