etao etao etao
senta senta senta
part part part
etao etao etao .
e̞ t a o̞ WORD_BOUNDARY e̞ t a o̞ WORD_BOUNDARY e̞ t a o̞ WORD_BOUNDARY
e t a o WORD_BOUNDARY e t a o WORD_BOUNDARY e t a o WORD_BOUNDARY . WORD_BOUNDARY