Select Owner by Initial Characters

A.M.   A.M.A  A.M.B  A.M.C  A.M.D  A.M.E  A.M.F  A.M.G  A.M.H  A.M.I  A.M.K  A.M.M  A.M.N  A.M.O  A.M.P  A.M.R  A.M.S  A.M.T