2970. What characters can be added here so that each character contains a part of the previous character? a) 架 -> _ -> _ -> 続 b) 姿 -> _ -> _ -> 堀

a) 架 -> 柱 -> 素 -> 続

架 KA, ka(keru), ka(karu) - hang, build (a bridge)

柱 CHUU, hashira - pillar, column, pole

素 SO, SU - element, naked, simple

続 ZOKU, tsuzu(ku) - continue

b) 姿 -> 如 -> 吐 -> 堀

姿 SHI, sugata - figure, form, shape, appearance

如 JO, NYO - equal, like, as, as if

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

堀 hori - moat, canal, ditch