on s' on est trompé
on être tromper
pro:sub v:aux part
on s' on est trompé .
ɔ̃ WORD_BOUNDARY  ɛ s WORD_BOUNDARY ɔ̃ n WORD_BOUNDARY ɛ WORD_BOUNDARY t ʁ ɔ̃ p e WORD_BOUNDARY
o n WORD_BOUNDARY s ' WORD_BOUNDARY o n WORD_BOUNDARY e s t WORD_BOUNDARY t r o m p é WORD_BOUNDARY