di pietra sembrano di pietra
di pietra sembrano di pietra .
d i WORD_BOUNDARY p j ɛ t r ɐ WORD_BOUNDARY s e m b r ɐ n o WORD_BOUNDARY d i WORD_BOUNDARY p j ɛ t r ɐ WORD_BOUNDARY
d i WORD_BOUNDARY p i e t r a WORD_BOUNDARY s e m b r a n o WORD_BOUNDARY d i WORD_BOUNDARY p i e t r a WORD_BOUNDARY . WORD_BOUNDARY