abua agua aba agua abua agua
abua agua aba agua abua agua .
a β w a WORD_BOUNDARY a ɡ w a WORD_BOUNDARY a β a WORD_BOUNDARY a ɡ w a WORD_BOUNDARY a β w a WORD_BOUNDARY a ɡ w a WORD_BOUNDARY
a b u a WORD_BOUNDARY a g u a WORD_BOUNDARY a b a WORD_BOUNDARY a g u a WORD_BOUNDARY a b u a WORD_BOUNDARY a g u a WORD_BOUNDARY . WORD_BOUNDARY