What are some nine letter words with 2nd letter B and 3rd letter S and 6th letter I?

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 4 words with the pattern -BS--I---. That is, nine letter words with 2nd letter B and 3rd letter S and 6th letter I. In alphabetical order, they are:

abstained

abstainer

abstricts

obsidians