cada cada cadac cadac
cada cada cadac cadac .
k a ð ɐ WORD_BOUNDARY k a ð ɐ WORD_BOUNDARY k ɐ ð a k WORD_BOUNDARY k ɐ ð a k WORD_BOUNDARY
c a d a WORD_BOUNDARY c a d a WORD_BOUNDARY c a d a c WORD_BOUNDARY c a d a c WORD_BOUNDARY