2011. What characters can be added here so that each character contains a part of the previous character? a) 早 -> _ -> _ -> 賜 b) 針 -> _ -> _ -> 賄

a) 早 -> 古 -> 員 -> 賜  

早  SOU, SA, haya(i) , haya(meru) - early, fast, hasten

古  KO, furu(i) - old

員  IN - member

賜  SHI, tamawa(ru) - grant, bestow, confer

b) 針 -> 古 -> 員 -> 賄  

針  SHIN, hari - needle

古  KO, furu(i) - old

員  IN - member

賄  WAI, makana(u) - provide board, supply, furnish