2865. What characters can be added here so that each character contains a part of the previous character? a) 炎 -> _ -> _ -> 肥 b) 弦 -> _ -> _ -> 坂

a) 炎 -> 畑 -> 胃 -> 肥

炎 EN, honou - flame

畑 hatake - cultivated field

胃 I - stomach

肥 HI, koe, ko(yashi), ko(yasu) - manure, fertilizer, grow fat

b) 弦 -> 畜 -> 里 -> 坂

弦 GEN, tsuru - string, bowstring

畜 CHIKU - animal raising, domestic animal

里 RI, sato - village

坂 HAN, saka - slope, hill