Yes

はい

hai

(response that confirms attention)

やった

yatta

(expression of pleasure, joy or great excitement — see also yay)

よし

yoshi

(expression of pleasure, joy or great excitement — see also yay)

いいえ

īe

(word used to indicate disagreement or dissent in reply to a negative statement)

うん

un

(word used to indicate agreement or acceptance)

ええ

ē

(word used to indicate agreement or acceptance)

はい

hai

(word used to indicate agreement or acceptance)