abababo abababo ohohoh guoh
abababo abababo ohohoh guoh !
a β a β a β o WORD_BOUNDARY a β a β a β o WORD_BOUNDARY o o o WORD_BOUNDARY ɣ u o WORD_BOUNDARY
a b a b a b o WORD_BOUNDARY a b a b a b o WORD_BOUNDARY o h o h o h WORD_BOUNDARY g u o h WORD_BOUNDARY ! WORD_BOUNDARY