1814. What characters can be added here so that each character contains a part of the previous character? a) 柔 -> _ -> _ -> 碑 b) 化 -> _ -> _ -> 腕

Answer:

a) 柔 -> 棋 -> 碁 -> 碑

柔  JUU, NYUU, yawa(rakai) - soft

棋  KI - go, shogi, Japanese chess

碁  GO - go (board game)

碑  HI - tombstone, monument

b) 化 -> 旨 -> 明 -> 腕

化  KA, KE, ba(keru) - transform

旨  SHI, mune - purport, content, instruction

明  MEI, MYOU, aka(rui), a(keru) - bright

腕  WAN, ude - arm, ability, talent, skill