1681. What characters can be added here so that each character contains a part of the previous character? a) 扇 -> _ -> _ -> 珠 b) 章 -> _ -> _ -> 坂

Answer:

a) 扇 -> 習 -> 皇 -> 珠

扇  扇

習  U, ha, hane - feather, wing

皇  KOU, OU - emperor

珠  SHU - pearl

b) 章 -> 古 -> 吐 -> 坂

章  SHOU - chapter, badge, mark

古  KO, furu(i) - old

吐  TOU, ha(ku) - spew, vomit, give vent to

坂  HAN, saka - slope, hill