Answer:
谷 KOKU, tani, ya - valley
八 HACHI, ya(ttsu), ya(tsu), ya, yo - eight
干 KAN, hi(ru), ho(su) - get dry, dry, drink up
由 YUU, YU, YUI, yoshi - reason, cause
且 katsu - and
The saying goes "If something smells, put a lid on it." Adding a lid (⼇ The "Nabefuta" radical - lid, top) to these characters gives us a few new ones.
容 The "Nabefuta" radical - lid, top
穴 KETSU, ana - hole, cave
宇 U - heaven
宙 CHUU - midair, space, heaven
宜 GI, yoro(shii) - all right