vai buscar o livro vai
vai buscar o livro vai .
v ai WORD_BOUNDARY b u ʃ k a ʁ WORD_BOUNDARY u WORD_BOUNDARY l̪ˠ i v ʁ u WORD_BOUNDARY v ai WORD_BOUNDARY
v a i WORD_BOUNDARY b u s c a r WORD_BOUNDARY o WORD_BOUNDARY l i v r o WORD_BOUNDARY v a i WORD_BOUNDARY . WORD_BOUNDARY