21464
The next station to the east ( up line ) was Brynmawr , with links to Nantyglo and Newport via Abertillery and the GWR line .
 Newport, Abertillery
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Newport, Abertillery