ça_y_est chut
ça_y_est chut
co co
ça y est chut .
s a WORD_BOUNDARY i WORD_BOUNDARY ɛ WORD_BOUNDARY ʃ y WORD_BOUNDARY
ç a WORD_BOUNDARY y WORD_BOUNDARY e s t WORD_BOUNDARY c h u t WORD_BOUNDARY . WORD_BOUNDARY