l' arbre l' arbre
l' arbre l' arbre .
ɛ l ɐ WORD_BOUNDARY a r β ɾ ə WORD_BOUNDARY ɛ l ɐ WORD_BOUNDARY a r β ɾ ə WORD_BOUNDARY
l ' WORD_BOUNDARY a r b r e WORD_BOUNDARY l ' WORD_BOUNDARY a r b r e WORD_BOUNDARY