MISC@1 -LRB- -RRB- , or MISC@2 as used by linguist PERSON@1 , refers to the MISC@3 language spoken during Southern and Northern Dynasties and the Sui , PERSON@2 , and Song dynasties -LRB- 6th century - 10th century -RRB- .

People spoke it during Southern and Northern Dynasties and the Sui , PERSON@2 , and Song dynasties -LRB- 6th century - 10th century -RRB- .
