Base on what I tend to use the most shape and make
Right Hand for CC** inserts will both face and turn for general work
Right Hand for DC** inserts, mostly turning but will face for fine work and where tailstock support is being used
Facing tool for CC** inserts Make use of the other two corners of the inserts used by the first holder
Parting tool to mak eup a set of 4
Spend the rest on half decent inserts bot CCMT and CCGT for the first two shapes, you can buy in two's here so you can try a few different types, radii etc