zenzen dehen na n da
zenzen dehen na n da .
z e n z e n WORD_BOUNDARY d e h e n WORD_BOUNDARY n a WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY
z e n z e n WORD_BOUNDARY d e h e n WORD_BOUNDARY n a WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY