a buscar a Mamá
a busca a Mamá
prepart inf prepart n:prop
a buscar a mamá .
a WORD_BOUNDARY β u s k a ɾ WORD_BOUNDARY a WORD_BOUNDARY m a m a WORD_BOUNDARY
a WORD_BOUNDARY b u s c a r WORD_BOUNDARY a WORD_BOUNDARY m a m á WORD_BOUNDARY . WORD_BOUNDARY