sst sst sst sst sst sst sst
sst sst sst sst sst sst sst !
s s t WORD_BOUNDARY s s t WORD_BOUNDARY s s t WORD_BOUNDARY s s t WORD_BOUNDARY s s t WORD_BOUNDARY s s t WORD_BOUNDARY s s t WORD_BOUNDARY
s s t WORD_BOUNDARY s s t WORD_BOUNDARY s s t WORD_BOUNDARY s s t WORD_BOUNDARY s s t WORD_BOUNDARY s s t WORD_BOUNDARY s s t WORD_BOUNDARY ! WORD_BOUNDARY