Answer:
午 GO - noon
入 NYUU, i(ru), hai(ru) - enter, in
口 KOU, kuchi - mouth
目 MOKU, me - eye
休 KYUU, yasu(mu) - rest
Add a single stroke to each of these to make another character.
牛 GYUU, ushi - cow
久 KYUU, KU, hisa(shii) - long (time)
日 NICHI, JITSU, hi, ka - sun, day
自 JI, SHI, mizuka(ra) - me, self
体 TAI, TEI, karada - body