This is a list of all available weapons here:
Axes--This includes battleaxes, waraxes, throwing axes, ect.
Bombs--smoke bombs, and explosives.
Boomerangs--(self-explanatory)
Bows-- This includes crossbows, longbows, shortbows, and handheld bows.
Claws--They fit into gloves.
Clubs--Spiked or otherwise
Dolls-- ...yes really.
Fans-- Kyoshi Warriors
Forks--NOT like the utensil. Forks are like spears, but they have prongs.
Flails-- Chain flails or otherwise.
Flutes-- ...yes really.
Gloves-- Like the Dai Lee agents.
Guns-- slow-loading pistols, shotguns, and rifles ONLY, with an emphasis on SLOW.
Hammers-- warhammers, mallets, or throwing hammers.
Handbags-- Yes, really.
Harps-- Yes, really.
Harpoon-- Slow-loading, spear firing harpoons.
Katanas-- (or any other form of Asian-style weaponry)
Knives/Daggers
DIFFERENCES:
Knives--quicker attack, but you can't avoid as many attacks. Throwing knives, too.
Daggers--slower to attack, but evasion goes up higher.
Ninja Swords
Nunchucks--
Poles--Like Aang's weapon.
Rapiers-- Long, thin, pointy dueling swords.
Staves/ Rods--
Chi weapons, big long sticks of death. Any good monk or chi-fighting person can use this thing.
DIFFERENCE BETWEEN STAVES AND RODS:
Staves--don't do great physical stuff. Mainly chi.
Rods--equally balanced with physical/chi doo-dah.
Scythes-- Yes, like the Grim Reaper.
Ninja Stars-- Any size, any shape.
Spears-- To be thrown or otherwise.
Swords--broadswords, bastard swords, scimitars, etc.
Whips-- Spiked or otherwise.
A Majority of weapons that have been invented are permitted here. If you want something and it's not on this list, feel free to make a post about it.