ふふふ

Also written ふふ, フフフ, フフ

Meanings

あっ、赤くなった。陸くんてば可愛いっ！！ふふふっ。
Ah-you've gone all red. Riku - that's so cute!! Ha-haha.
ふふふ、ごめんあそばせ。気になさらないで下さいな！
Ha-ha-ha, pray forgive me. Please don't worry yourself about that!
ふふっ・・・その子、人間じゃないの。ロボットなのよ。ア・ン・ド・ロ・イ・ド。
Ha-ha ... She isn't human. She's a robot; A-n-d-r-o-i-d.
「毎日フフを食べてるの？」「ほぼ毎日食べるよ」
"You eat fufu every day?" "I eat it almost every day."