How many strokes in "口" ？

How many strokes in "冰" ？

choose the characters that are in 上下(_{Shàng xià}) 结构 ⿱

choose the characters that are in 左右(_{Zuŏ yòu})结构 ⿰

choose the characters that are in 内外(_{nèi wài})结构 ⿴

choose the characters that are single component structure.

character "木" means

character "山" means

character "火" means

character "水" means

character "鱼" means

character "田" means

character "日" means

character "月" means

character "云" means

character "门" means

character "网" means

character "弓" means

character "手" means

character "羊" means

character "鸟" means

character "女" means