Answer:
力+月 RYOKU, RIKI, chikara - power / GETSU, GATSU, tsuki - moon, month
示+木 JI, SHI, shi(mesu) - show / MOKU, BOKU, ki - tree
ナ+ト+ケ+目 Katakana "Na" / Katakana "To" or The "Boku" radical - oracle / Katakana "Ke" / MOKU, me - eye
一+巾+玉+メ ICHI, ITSU, hito(tsu) - one / The "Haba" radical - cloth / GYOKU, tama - jewel / Katakana "Me"
行+土 GYOU, KO, i(ku) - go, line, act / DO, tsuchi - earth, soil
They all make another character if the same radical is used more than once.
脅 KYOU, obiya(kasu), odo(kasu) - threaten
禁 KIN - prohibition
算 SAN - calculate
璽 JI - imperial seal
街 GAI, machi - street