Answer:
一+冂 ICHI, ITSU, hito(tsu) - one / The "Keigamae" radical - to enclose
一+口 ICHI, ITSU, hito(tsu) - one / KOU, kuchi - mouth
行+、+一+八 GYOU, KOU, i(ku) - go, line, act / comma / ICHI, ITSU, hito(tsu) - one / HACHI, ya(ttsu), ya(tsu), ya, yo - eight
八+一+八 HACHI, ya(ttsu), ya(tsu), ya, yo - eight / ICHI, ITSU, hito(tsu) - one
二+日+二 NI, futa(tsu), futa - two / NICHI, JITSU, hi, ka - sun, day
Add | , a straight line, to make them something different!
市 SHI, ichi - city, market
古 KO, furu(i) - old
術 JUTSU - art, technique
米 BEI, MAI, kome - rice
重 JUU, CHOU, e, omo(i), kasa(naru) - manifold, heavy, pile up