on joue au rugby
on joue à rugby
pro:sub n prep n
on joue au rugby .
ɔ̃ WORD_BOUNDARY ʒ u WORD_BOUNDARY o WORD_BOUNDARY ʁ y ɡ b i WORD_BOUNDARY
o n WORD_BOUNDARY j o u e WORD_BOUNDARY a u WORD_BOUNDARY r u g b y WORD_BOUNDARY