さんぼんあし
three legs (two legs and a cane)
Noun
朝あさは四本足よんほんあし、昼ひるは二本にほん足あし、夕ゆうは三本足さんぼんあしで歩あるくものは何なにか?
What walks on 4 legs in the morning, two in the afternoon, and 3 in the evening?