VOCAB0A.DAT,Year 1, First file VOCAB0B.DAT,Year 1, Second file VOCAB0C.DAT,Year 1, Third file VOCAB0D.DAT,Year 1, Fourth file VOCAB0E.DAT,Year 1, Fifth file VOCAB0F.DAT,Year 1, Sixth file VOCAB1A.DAT,Year 2, First file VOCAB1B.DAT,Year 2, Second file VOCAB1C.DAT,Year 2, Third file VOCAB1D.DAT,Year 2, Fourth file VOCAB1E.DAT,Year 2, Fifth file