Answer:
東 TOU, higashi - east
亥 i, gai - Zodiac sign
既 KI, sude - already
奉 HOU, BU, tatematsu(ru) - offer, present, revere
兆 CHOU, kiza(shi), kiza(su) - sign, indication, symptom, sprout
Adding a tree (木 MOKU, BOKU, ki - tree) to these characters lets them branch out in a new direction!
棟 TOU, mune, muna - ridge of a roof
核 KAKU - core, nucleus
概 GAI - general
棒 BOU - stick, pole
桃 TOU, momo - peach