cherche cherche cherche
chercher chercher chercher
v v v
cherche cherche cherche !
ʃ ɛ ʁ ʃ WORD_BOUNDARY ʃ ɛ ʁ ʃ WORD_BOUNDARY ʃ ɛ ʁ ʃ WORD_BOUNDARY
c h e r c h e WORD_BOUNDARY c h e r c h e WORD_BOUNDARY c h e r c h e WORD_BOUNDARY