宇
eaves, roof, house, heaven
On'yomi: ウ (u)
Stroke order
宙
mid-air, air, space, sky, memorization, interval of time
On'yomi: チュウ (chuu)
Stroke order
探
grope, search, look for
On'yomi: タン (tan)
Kun'yomi: さぐ.る (sagu.ru)、 さが.す (saga.su)
Stroke order