ara toca la campaneta
ara toca la campaneta .
a ɾ ɐ WORD_BOUNDARY t o k ɐ WORD_BOUNDARY l ɐ WORD_BOUNDARY k ɐ m p ɐ n ɛ t ɐ WORD_BOUNDARY
a r a WORD_BOUNDARY t o c a WORD_BOUNDARY l a WORD_BOUNDARY c a m p a n e t a WORD_BOUNDARY