Review of the material 1)23,9,12,12,15,19 2)1,12,20,25,14-5,13,5,12 14,1,20,9,15,14,1,12 16,1,18,11 3)1,13,16,8,9,2,9,1,14,19 4)22,5,18,20,5,2,18,1,20,5,19 5)6,1,12,3,15,14 1,18,5 8,15,13,5 20,15 18,5,16,20,9,12,5,19 13,1,13,13,1,12,19 1,14,4 6)20,8,5 20,18,5,5,19 9,14,19,5,3,20,19.