on n' a pas besoin
on ne avoir pas besoin
pro:sub neg v:aux neg n
on n' a pas besoin .
ɔ̃ WORD_BOUNDARY  ɛ n WORD_BOUNDARY a WORD_BOUNDARY p a WORD_BOUNDARY b ə z w ɛ̃ WORD_BOUNDARY
o n WORD_BOUNDARY n ' WORD_BOUNDARY a WORD_BOUNDARY p a s WORD_BOUNDARY b e s o i n WORD_BOUNDARY