From 550 and 551 AD , the Slavs ( `` Sclabenoi '' ) started to break into Illyria and Dalmatia , as recorded by Procopius ; by some thinking it was beginning of Slavic colonization there , which lasted during the next few centuries .
ADP NUM CCONJ NUM NOUN , DET PROPN ( `` PROPN '' ) VERB PART VERB ADP PROPN CCONJ PROPN , ADP VERB ADP PROPN ; ADP DET NOUN PRON AUX VERB ADP ADJ NOUN ADV , DET VERB ADP DET ADJ ADJ NOUN .