Angle DGO: Vertical ->13 (no letter), supplement PGD marked as L
Angle 12: Vertical-> HOG marked as K
Angle 2: Vertical -> ICK (not in table). Supplement #15, letter E
Angle 28: Vertical #8, letter E
Angle 31: Vertical #19, letter W
Angle GRV: Supplement #19, letter E
Angle 21: Supplement #7, letter I
Angle 22: Vertical #17, letter H
Angle 32: Supplement #17, letter T
Checking previous answers.....
Angle 4: Vertical ORY, letter H. Correct
Angle RKV: Supplement VKA, letter E. Correct
Angle 26: Vertical #7, letter D. Correct
Angle 24: Supplement #8, letter I. Correct
Angle 26: Vertical #7, letter D. Correct
Angle 18: Vertical VKA, letter N. Correct
Angle 29: Supplement HOG, letter T. Correct
Angle YRV: Supplement ORY, letter I. Check!!
Angle 27: Vertical #15, letter T. Correct
Angle 4 (already checked).
Angle EGJ: Vertical PGD, letter G. Correct