Optimization Algorithms
Unify redundant words to the shortest word
e.g., (鼠 鼠色 鼠男) => 鼠
Group single characters
e.g., (寝 螺 捻) => [寝螺捻]
Unify common prefixes
e.g., (根魚 根差 根崎) => 根([魚差崎])