un biberón es un bibi
un biberón es un bibi .
u n WORD_BOUNDARY β i β e̞ ɾ o̞ n WORD_BOUNDARY e̞ s WORD_BOUNDARY u n WORD_BOUNDARY β i β i WORD_BOUNDARY
u n WORD_BOUNDARY b i b e r ó n WORD_BOUNDARY e s WORD_BOUNDARY u n WORD_BOUNDARY b i b i WORD_BOUNDARY . WORD_BOUNDARY