Using all letters

                                                                           belittlement

                                                                          The other words:

                                                                              beebee

                                                                              beeline

                                                                              beetle

                                                                               belie

                                                                             belittle

                                                                               belle

                                                                               belli

                                                                              bellmen

                                                                             beltline

                                                                               benin

                                                                               betel

                                                                              betime

                                                                               bible

                                                                              billet

                                                                              billie

                                                                               bitte

                                                                              bitten

                                                                               blent

                                                                               blini

                                                                              emblem

                                                                              imbibe

                                                                               libel

                                                                              libelee

                                                                             libellee

                                                                              nibble

                                                                               nimbi

                                                                              nimble

                                                                               tibet

                                                                              titbit