n' appuie pas n' appuie pas
ne appuyer pas
neg v neg
n' appuie pas n' appuie pas !
 ɛ n WORD_BOUNDARY a p y i WORD_BOUNDARY p a WORD_BOUNDARY  ɛ n WORD_BOUNDARY a p y i WORD_BOUNDARY p a WORD_BOUNDARY
n ' WORD_BOUNDARY a p p u i e WORD_BOUNDARY p a s WORD_BOUNDARY n ' WORD_BOUNDARY a p p u i e WORD_BOUNDARY p a s WORD_BOUNDARY ! WORD_BOUNDARY