aeoo duaoeo hoo oo
aeoo duaoeo hoo oo .
a e o o WORD_BOUNDARY d̪ u a o e o WORD_BOUNDARY x o o WORD_BOUNDARY o o WORD_BOUNDARY
a e o o WORD_BOUNDARY d u a o e o WORD_BOUNDARY h o o WORD_BOUNDARY o o WORD_BOUNDARY . WORD_BOUNDARY