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あいよ

sure, okay

a̠ i j o̞
interjection Rare #39,040
sure, okay A very casual acknowledgment, often used to mean “okay” or “got it.”
JA: あいよ、すぐ行くよ。
EN: Sure, I’ll be right there.

あいよ。

Yep.

あいよ

Sure thing.

— Article 15 (2019)

あいよ！

Sure thing!

— 天空の城ラピュタ (1986)

（旦那）あいよ

(Husband) Yeah, sure.

— 君の名は。 (2016)

Sounds similar to

愛想 a̠ i s o̞ 愛用 a̠ i j o̞ː