benga a+oca+a+oca
benga a oca a oca .
b e n ɡ a WORD_BOUNDARY a WORD_BOUNDARY o k a WORD_BOUNDARY a WORD_BOUNDARY o k a WORD_BOUNDARY
b e n g a WORD_BOUNDARY a WORD_BOUNDARY o c a WORD_BOUNDARY a WORD_BOUNDARY o c a WORD_BOUNDARY . WORD_BOUNDARY