１式
How to write Japanese & Stroke order

Check also 式  

Names and idioms with total stroke of 6:
印  汝  人心  决  卜木  

Names and idioms similar to １式:
諸式  式岩  化学反応式  交替式  自由格納方式  

Check stroke order for the words below:
岳下  親征  文重  色羽  紹之助  食留  視線速度法