o livro era do pai
o livro era do pai .
u WORD_BOUNDARY l̪ˠ i v ʁ o WORD_BOUNDARY ɛ ɾ ɐ WORD_BOUNDARY d̪ u WORD_BOUNDARY p ai WORD_BOUNDARY
o WORD_BOUNDARY l i v r o WORD_BOUNDARY e r a WORD_BOUNDARY d o WORD_BOUNDARY p a i WORD_BOUNDARY . WORD_BOUNDARY