a nadá fui a nada
a nadá fui a nada .
a WORD_BOUNDARY n a d a WORD_BOUNDARY f w i WORD_BOUNDARY a WORD_BOUNDARY n a d a WORD_BOUNDARY
a WORD_BOUNDARY n a d á WORD_BOUNDARY f u i WORD_BOUNDARY a WORD_BOUNDARY n a d a WORD_BOUNDARY . WORD_BOUNDARY