a guj gu gu gu
a guj gu gu gu .
a WORD_BOUNDARY ɡ u j WORD_BOUNDARY ɡ u WORD_BOUNDARY ɡ u WORD_BOUNDARY ɡ u WORD_BOUNDARY
a WORD_BOUNDARY g u j WORD_BOUNDARY g u WORD_BOUNDARY g u WORD_BOUNDARY g u WORD_BOUNDARY . WORD_BOUNDARY