Masculine    u 

                                     Singular               dual                       Plural

       bhānu         sun

                           bhānus                  bhānū                       bhanavas

                           bhānum                                                 bhānūn

                           bhānunā            bhānubhyām                bhānubhis

                           bhānave                                                bhānubhyas

                           bhānos                                                         

                                                     bhānvos                      bhānūnām

                           bhānau                                                  bhānuṣu

                                                      -------------                               

                           bhāno   

             --------------------------------------------------------------------

      Vedic

                     vāyus                      vāyū                       vāyavas

                     vāyum                                                 vāyūn

                     vāyuṇā                  vāyubhyām               vāyubhis

                     vāyavai                                                vāyubhyas

                     vāyaus                                                      

                                                  vāyvaus                   vāyūnām

                     vāyāu                                                    vāyuṣu

                               ======

                     vāyau                        vāyū                       vāyavas