a few (mostly obscure extensions) can be purchased in the aftermarket - for example L.fo is currently being auctioned http://www.sedo.com/auction/auction_detail

a few (mostly obscure extensions) can be purchased in the aftermarket - for example L.fo is currently being auctioned http://www.sedo.com/auction/auction_detail.php?language=e&auction_id=85745 http://www.sedo.com/auction/auction_detail.php?language=e&#3... - also see http://www.namepros.com/domains-for-sale-fixed-price/616074-largest-portfolio-single-letter-domain-names.html http://www.namepros.com/domains-for-sale-fixed-price/616074-...