2488. What character can be added to both of these characters to give other characters? 波_ -> _良

波  HA, nami - wave

良  RYOU, yo(i) - good

Add 女:波+女 女+良  

女  JO, NYO, NYOU, onna, me - female, woman

婆  BA - old woman

娘  musume - daughter, girl