ada ada ada ada x
ada ada ada ada x .
ɐ d ɐ WORD_BOUNDARY ɐ d ɐ WORD_BOUNDARY ɐ d ɐ WORD_BOUNDARY ɐ d ɐ WORD_BOUNDARY i k s WORD_BOUNDARY
a d a WORD_BOUNDARY a d a WORD_BOUNDARY a d a WORD_BOUNDARY a d a WORD_BOUNDARY x WORD_BOUNDARY . WORD_BOUNDARY