CINCINNATI BELL <CSN> STARTS AUXTON <AUXT> BID Cincinnati Bell Inc said it has started its previously-announced 15.75 dlr per share tender offer for all shares of Auxton Computer Enterprises Inc. In a newspaper advertisement, the company said the tender and withdrawal rights will expire May Five unless extended. The offer, which has been approved by the Auxton board and is to be followed by a merger at the same price, is conditioned on receipt of a majority of Auxton's voting stock on a fully diluted basis.