3012. What characters can be added here so that each character contains a part of the previous character? a) 要 -> _ -> _ -> 眠 b) 柔 -> _ -> _ -> 胞

a) 要 -> 妙 -> 省 -> 眠

要 YOU, i(ru) - essential(s) need

妙 MYOU - strange, odd, adroit, mystery

省 SEI, SHOU, kaerimiru, habu(ku) - ministry, reflect, omit

眠 MIN, nemu(ru), nemu(i) - sleep. sleepy, tired

b) 柔 -> 柱 -> 青 -> 胞

柔 JUU, NYUU, yawa(rakai) - soft

柱 CHUU, hashira - pillar, column, pole

青 SEI, SHOU, ao(i) - blue

胞 HOU - sac, sheath, placenta