eh coucou eh coucou eh coucou
eh coucou
co co
eh coucou eh coucou eh coucou .
ɛ WORD_BOUNDARY k u k u WORD_BOUNDARY ɛ WORD_BOUNDARY k u k u WORD_BOUNDARY ɛ WORD_BOUNDARY k u k u WORD_BOUNDARY
e h WORD_BOUNDARY c o u c o u WORD_BOUNDARY e h WORD_BOUNDARY c o u c o u WORD_BOUNDARY e h WORD_BOUNDARY c o u c o u WORD_BOUNDARY