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
波
waves, billows, Poland
On'yomi: ハ (ha)
Kun'yomi: なみ (nami)
Stroke order