Orc, Hawk, Kentauros, Koala, Genie, Yeti, Gnoll = 2h Axe, 2h Mace, 2h Sword
BP, Naga, Siren = 2h Staff
RP, Angel, Unicorn, Ifrit, White Dragon, Octopus = 2h Staff, 2h Mace
Nightmare, Skeleton, Wolf = 2h Sword, 2h Axe, Dirk
Harpy = Bow, Crossbow
Hope I didn't miss any. :O
EDIT: I missed Gnoll... Added it in.
EDIT2: I also missed WD. Adding that.
EDIT3: Also missed Wolf. Added. No one really uses T1 pets, so I'm not adding those, but if anyone wants to know, they'd go into that first section.