かんがえうる
to be conceivable
Also written 考えうる
Expression
メアリーは彼かれに考かんがえうる限かぎりの悪態あくたいをついた。
Mary called him every name she could think of.
考かんがえうるのは、一ひとつだけ。彼かれが敵てきのスパイだ！
There's only one possible explanation. He's an enemy spy!