2948. What character can be added to both of these characters to give other characters? 竹_ -> _太

竹 CHIKU, take - bamboo

太 TAI, TA, futo(i), futo(ru) - thick, fat

Add 馬:竹+馬 馬+太

馬 BA, uma, ma  - horse

篤 TOKU - serious, cordial

駄 DA - pack horse, footware, poor quality