basa+basi basabasi basa+basi
basa basi basabasi basa basi .
b a s a WORD_BOUNDARY b a s i WORD_BOUNDARY b a s a b a s i WORD_BOUNDARY b a s a WORD_BOUNDARY b a s i WORD_BOUNDARY
b a s a WORD_BOUNDARY b a s i WORD_BOUNDARY b a s a b a s i WORD_BOUNDARY b a s a WORD_BOUNDARY b a s i WORD_BOUNDARY