2938. What character can be added to both of these characters to give other characters? 角_ -> _文

角 KAKU, kado, tsuno - corner, angle, horn

文 BUN, MON, fumi - text, literature

Add 虫:角+虫 虫+文

虫 CHUU, mushi - bug, insect

触 SHOKU, sawa(ru), fu(reru) - touch

蚊 ka - mosquito