おりこう
well-behaved (esp. of children and pets); obedient; good
JLPT N3 Also written お利巧
Na-adjective, Noun
お利口りこうな犬いぬだこと！
What a clever dog!
僕ぼくが一番いちばんお利口りこうさ。
I'm the smartest.
すごくお利口りこうな犬いぬもいます。
Some dogs are very smart.