esta máquina es buena
esta máquina es buena .
e̞ s t a WORD_BOUNDARY m a k i n a WORD_BOUNDARY e̞ s WORD_BOUNDARY β w e̞ n a WORD_BOUNDARY
e s t a WORD_BOUNDARY m á q u i n a WORD_BOUNDARY e s WORD_BOUNDARY b u e n a WORD_BOUNDARY . WORD_BOUNDARY