Fire and stone
You combine a blade and metal to make a sword on alchemy. :)
To make a hook in Little Alchemy, combine "metal" and "tool." First, create metal by combining "fire" and "stone" to make "metal." Then, combine the metal with "tool" to craft a hook.
metal+stone
steel + metal
metal+bullet
Thunderstorm.and metal
Gun Powder + Metal
bullet+metal=gun
Metal+Stone=Blade
bullet and metal
Metal+Blade
bullet+metal=gun