According to pae 17 of the rules, a character with an intelligence of 8 or less will only know his or her native language.
The official character sheet at the end of the book has Common preprinted in the language section indicating that everyone knows how to speak common.
If I were to create a Dwarf with an intelligence of 8, would they only be able to speak Common; only be able to speak Dwarvish; or can they speak Dwarvish and Common?