sa sad ce se probu
sa sad ce se probu .
s a WORD_BOUNDARY s a d̪ WORD_BOUNDARY t̪s e WORD_BOUNDARY s e WORD_BOUNDARY p r o b u WORD_BOUNDARY
s a WORD_BOUNDARY s a d WORD_BOUNDARY c e WORD_BOUNDARY s e WORD_BOUNDARY p r o b u WORD_BOUNDARY . WORD_BOUNDARY