穴

0 the radical itself

穴

2 2 strokes after the radical

究 穷

3 3 strokes after the radical

空

4 4 strokes after the radical

穿 突 窃

5 5 strokes after the radical

窄 窍

6 6 strokes after the radical

窑 窒

7 7 strokes after the radical

窖 窗 窘 窜 窝

8 8 strokes after the radical

窟 窥

9 9 strokes after the radical

窩 窪

10 10 strokes after the radical

窮 窯

11 11 strokes after the radical

窺

12 12 strokes after the radical

窿

13 13 strokes after the radical

竄 竅

17 17 strokes after the radical

竊