2.3 Exercises:

2a:
LIKE AN OLD MAN TRYING TO SEND BACK SOUP IN A DELI

2b:
LBLPY IEAAD OURLS EKNNO TEOKC MNNND TIADI IASG

2.5 Exercises, page 49:
(2.6 Exercises, pages 55-56 in the pdf:)

5b: 
BY VIRTUE OF MY JOB I AM THE BEST INFORMED MAN IN FRANCE, AND AT THIS MOMENT I NO LONGER KNOW WHERE THE GERMANS ARE.

5c:
VVDDG GGVGV GVGDV DDDVD VVAVG DDDDV VVXGD XFAGD AXXDG VXGGD ADXAA VAVDD XGDDV DXGXG XGAGV XDDGD VD