The 5 most common would all be Wartime Standard Types I imagine.
Lesse:
#1 873grt Type 2E 457 built. (someone volunteered to do this, but unless he chimes in I won't put him on the spot
![smile](images/smilies/icon_smile.gif)
)
#2 873 grt Type 2ET 131 built (tanker version of the above 2E)
#3 6,600grt Type 2A: 131 built (includes 34 type 2AT tankers)
#4 2,300 grt Type 2D 103 built (we have a kitbash of this already in JMM from BftB, and I actually also have a good hull I did myself, but I need to make the bulwarks 3d, and do the superstructure still)
#5 could be a few standard types with ~30 hulls—or perhaps there is a prewar ship with nearly that number. Lesse for prewar types:
Ada Maru (24 hulls—Biyo would be a good start) leaps to mind, as does Ansyu Maru (a 23 MFM with 30 hulls built), Aden M. (30 MFM with 42 hulls), Or Amakasu M. (46 MKMF with 40+ hulls).