ak iya ak dulu ak dulu
ak iya ak dulu ak dulu .
a k WORD_BOUNDARY i j a WORD_BOUNDARY  a k WORD_BOUNDARY d u l u WORD_BOUNDARY  a k WORD_BOUNDARY d u l u WORD_BOUNDARY
a k WORD_BOUNDARY i y a WORD_BOUNDARY a k WORD_BOUNDARY d u l u WORD_BOUNDARY a k WORD_BOUNDARY d u l u WORD_BOUNDARY