DMC 125U

Gents,
Need some help , we are using Pro-E 3.0 inconjunction with G-post , we are trying to contour mill with the A-axis locked in a vertical pos using C-axis and Y-axis , and having trouble to get the code to come out right , the book is not as user friendly . Would anybody have a post to share or is there some type of G code we are missing PLEASE HELP! Remind you that this is a 5-axis machine and it does not have the turning option , any help would be greatly appreciated.....Thx!