1932. What characters can be added here so that each character contains a part of the previous character? a) 菓 -> _ -> _ -> 肪 b) 姿 -> _ -> _ -> 贈

a) 菓 -> 柱 -> 青 -> 肪  

菓  KA - cake, fruit

柱  CHUU, hashira - pillar, column, pole

青  SEI, SHOU, ao(i) - blue

肪  BOU - animal fat

b) 姿 -> 如 -> 員 -> 贈  

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

如  JO, NYO - equal, like, as, as if

員  IN - member

贈  ZOU, SOU, oku(ru) - give, present, bestow