I can post some of my category stats here, maybe that will help. There is a ton of overlap here, so don't go too crazy over analyzing it. There are 23000+ hands in this year's DB.
4 different wheel cards - 1.01 bb/hand
Sixes - .43 bb/hand (this includes any 4 low hand with a 6 in it, a567 is the worst)
Any 4 wheel cards - 1.76 bb/hand
AA2x - 1.74 bb/hand
Aces & babies - 4.15 bb/hand (aa plus 2 lows both < 6)
Aces & biggies - 1.7 bb/hand (AAKK down to AAJT)
Aces - 1.99 bb/hand (any AA hand)
BIg Deuces - 1.3 bb/hand (AKQ2,AKJ2,AKT2,AQJ2,AQT2,AJT2)
Acey Deucey - .68 bb/hand (any A2 hand)
7, 8, 9 - negative .03bb/hand (every hand containing a 7,8, or 9)
All high cards - .02 bb/hand (TJQK,TJQA,JQKA,TJKA,TQKA)
23 hands - negative .05 bb/hand - all 23xx hands
234 hands - .40 bb/hand
Funniest one of the bunch - AA23 - had it 6 times, net negative 6.32 bb/hand. Only won 50% of those hands
Almost all my top bb/hand hands are AAxx (no surprise there), however my worst hand is AAAA (another non-shocker, lol), but 2nd worst is AA4T.