okay il va y aller
okay il aller y aller
co pro:sub v:mdl pro:y v:mdl
okay il va y aller .
o k ɛ WORD_BOUNDARY i l WORD_BOUNDARY v a WORD_BOUNDARY i WORD_BOUNDARY a l e WORD_BOUNDARY
o k a y WORD_BOUNDARY i l WORD_BOUNDARY v a WORD_BOUNDARY y WORD_BOUNDARY a l l e r WORD_BOUNDARY