os livros sobre dinossauros
os livros sobre dinossauros .
ʊ z WORD_BOUNDARY l i v r ʊ s WORD_BOUNDARY s o b r y WORD_BOUNDARY d̠ʒ i n o s aʊ ɾ ʊ s WORD_BOUNDARY
o s WORD_BOUNDARY l i v r o s WORD_BOUNDARY s o b r e WORD_BOUNDARY d i n o s s a u r o s WORD_BOUNDARY