hola mamá hola papá
hola mamá hola papá .
o̞ l a WORD_BOUNDARY m a m a WORD_BOUNDARY o̞ l a WORD_BOUNDARY p a p a WORD_BOUNDARY
h o l a WORD_BOUNDARY m a m á WORD_BOUNDARY h o l a WORD_BOUNDARY p a p á WORD_BOUNDARY . WORD_BOUNDARY