How to read: たん、だん、せん、ぜん

Pronunciation:  

Same names and idioms in reading:
踐  嶜  嚪  腅  

Check stroke order for the words below:
柵  寶藏  竪木  退轉  内用掛  完全非弾性衝突  怨ずる  忘れ難い