Answer:
本 HON, MOTO - root, book
中 CHUU, naka - center
動 DOU, haka(ru) - move
系 KEI - system, group
二 NI, futa(tsu) - two
Add a person (ninben, イ) to each to generate a different character!
体 TAI, karada - body
仲 CHUU, naka - relationship
働 DOU, hatara(ku) - work
係 KEI, kakari - related to, in charge
仁 JIN - virtue