sí sas uvas sas uvas sas úa
sí sas uvas sas uvas sas úa .
s i WORD_BOUNDARY s a s WORD_BOUNDARY u β a s WORD_BOUNDARY s a s WORD_BOUNDARY u β a s WORD_BOUNDARY s a s WORD_BOUNDARY w a WORD_BOUNDARY
s í WORD_BOUNDARY s a s WORD_BOUNDARY u v a s WORD_BOUNDARY s a s WORD_BOUNDARY u v a s WORD_BOUNDARY s a s WORD_BOUNDARY ú a WORD_BOUNDARY . WORD_BOUNDARY