45093
A number of beryllium borides are known , such as BeB , BeB , BeB , BeB , BeB and BeB .
 BeB, BeB, BeB, BeB, BeB, BeB
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 BeB, BeB, BeB, BeB, BeB, BeB