essa aqui essa aqui
essa aqui essa aqui .
ɛ s ɐ WORD_BOUNDARY ɐ k i WORD_BOUNDARY ɛ s ɐ WORD_BOUNDARY ɐ k i WORD_BOUNDARY
e s s a WORD_BOUNDARY a q u i WORD_BOUNDARY e s s a WORD_BOUNDARY a q u i WORD_BOUNDARY