３係
How to write Japanese & Stroke order

Check also 係  

Names and idioms with total stroke of 9:
由仁  全土  育つ  元矢  旧りす  

Names and idioms similar to ３係:
力関係  関係官庁  関係法規  性的関係  背後関係  

Check stroke order for the words below:
米丸  出産前  冷房  佐知花  噗  卑影