井
well, well crib, town, community
On'yomi: セイ (sei)、 ショウ (shou)
Kun'yomi: い (i)
Stroke order
戸
door, counter for houses, door radical (no. 63)
On'yomi: コ (ko)
Kun'yomi: と (to)
Stroke order
屋
roof, house, shop, dealer, seller
On'yomi: オク (oku)
Kun'yomi: や (ya)
Stroke order