crunching numbers for optimal 5.5b build

5.5b damage numbers
assuming +3 to score at base, variant human, no free feat at 1st level outside of v human normal. class doesn't particularly matter, but probably fighter
4th level GWM + PAM (halberd): 1d10+1d4+6+20 = 34 (-5 to hit on both attacks) or 14 without using GWM
4th level DW + PAM (2 spears/staffs): 2d6+1d4+9 = 18.5
4th level DW+ASI (2 longswords): 2d8+8 = 17
5th level GWM + PAM (halberd): 2d10+1d4+9+30 = 55.5 (-5 to hit on all attacks) or 22.5 without using GWM
5th level DW+PAM (2 spears/staffs): 3d6+1d4+12 = 25
5th level gsword (no feats): 4d6+8 = 22
5th level PAM (halberd, v. human free feat): 2d10+1d4+12 = 25.5
5th level DW+ASI (2 longswords): 3d8+12 = 25.5

ranger with this shit
4th level GWM+PAM+mark (halberd): 1d10+1d4+2d6+6 = 21
4th level DW+PAM+mark (2 spears/staffs): 5d6+1d4+9 = 29
4th level DW+ASI+mark (longsword): 2d8+2d6+8 = 24
5th level GWM+PAM+mark (halberd): 2d10+1d4+3d6+9 = 33 without using GWM, 63 with GWM
5th level DW+PAM+mark (2 spears/staffs): 7d6+1d4+12 = 40
5th level DW+ASI+mark (longsword): 3d8+3d6+12 = 36

barb with this shit. worth noting that barb doesn't get the TWFing style at base, unlike fighter/ranger
4th level GWM+PAM+rage (halberd): 1d10+1d4+10 = 18
4th level DW+PAM+rage (2spears/staffs): 2d6+1d4+12 = 21.5 w/o style, 24.5 w/style
4th level DW+ASI+rage (2longswords): 2d8+8 = 17 w/o style, 21 w/style
5th level GWM+PAM+rage (halberd): 2d10+1d4+15 = 28.5
5th level DW+PAM+rage (2spears/staffs): 3d6+1d4+17 = 30 w/o style, 33 w/style
5th level DW+ASI+rage (2longswords): 3d8+14 = 27.5 w/o style, 31.5 w/style