a ir a patinar
a i a patina
prepart inf prepart inf
a ir a patinar .
a WORD_BOUNDARY i ɾ WORD_BOUNDARY a WORD_BOUNDARY p a t i n a ɾ WORD_BOUNDARY
a WORD_BOUNDARY i r WORD_BOUNDARY a WORD_BOUNDARY p a t i n a r WORD_BOUNDARY . WORD_BOUNDARY