Answer:
岡 KOU, oka - hill
監 KAN - keep watch over
真 SHIN, ma - real, true, pure
東 TOU, higashi - east
段 DAN - step, stairs, rank
Give them a little money (金 KIN, kane) and they change completely!
鋼 KOU, hagane - steel
鑑 KAN - model, pattern, example, mirror
鎮 CHIN, shizu(meru), shizu(maru) - calm, quell, calm down
錬 REN - temper, forge, polish, refine, drill
鍛 TAN, kita(eru) - forge, temper, drill, discipline