vas_y fais coucou
vas_y faire coucou
co v:mdl co
vas y fais coucou .
v a z WORD_BOUNDARY i WORD_BOUNDARY f ɛ WORD_BOUNDARY k u k u WORD_BOUNDARY
v a s WORD_BOUNDARY y WORD_BOUNDARY f a i s WORD_BOUNDARY c o u c o u WORD_BOUNDARY