sono arrivata mamma
sono arrivata mamma .
s o n o WORD_BOUNDARY ɐ r ɾ i v ɐ t ɐ WORD_BOUNDARY m ɐ m m ɐ WORD_BOUNDARY
s o n o WORD_BOUNDARY a r r i v a t a WORD_BOUNDARY m a m m a WORD_BOUNDARY . WORD_BOUNDARY