sst sst sst sst wah
sst sst sst sst wah .
s s t WORD_BOUNDARY s s t WORD_BOUNDARY s s t WORD_BOUNDARY s s t WORD_BOUNDARY w a h WORD_BOUNDARY
s s t WORD_BOUNDARY s s t WORD_BOUNDARY s s t WORD_BOUNDARY s s t WORD_BOUNDARY w a h WORD_BOUNDARY . WORD_BOUNDARY