en anna_n anna_n
en anna n anna n .
ɛ n WORD_BOUNDARY a n a WORD_BOUNDARY ɛ n WORD_BOUNDARY a n a WORD_BOUNDARY ɛ n WORD_BOUNDARY
e n WORD_BOUNDARY a n n a WORD_BOUNDARY n WORD_BOUNDARY a n n a WORD_BOUNDARY n WORD_BOUNDARY