2896. What character can be added to both of these characters to give other characters? 戸_ -> _長

戸 KO, to - door

長 CHOU, naga(i) - long

Add 月:戸+月 月+長

月 GETSU, GATSU, tsuki - moon, month

肩 KEN, kata - shoulder

脹 CHOU - swell