1847. What characters can be added here so that each character contains a part of the previous character? a) 弦 -> _ -> _ -> 坪 b) 案 -> _ -> _ -> 約

Answer:

a) 弦 -> 畜 -> 里 -> 坪

弦  GEN, tsuru - string, bowstring

畜  CHIKU - animal raising, domestic animal

里  RI, sato - village

坪  tsubo - unit of area

b) 案 -> 柱 -> 素 -> 約

案  AN - plan, proposal

柱  CHUU, hashira - pillar, column, pole

素  SO, SU - element, naked, simple

約  YAKU - approximately, promise