acá acana acá acana
cae teléfono cae teléfono
inf n inf n
acá acana acá acana .
a k a WORD_BOUNDARY a k a n a WORD_BOUNDARY a k a WORD_BOUNDARY a k a n a WORD_BOUNDARY
a c á WORD_BOUNDARY a c a n a WORD_BOUNDARY a c á WORD_BOUNDARY a c a n a WORD_BOUNDARY . WORD_BOUNDARY