" Um…how do I say delicious in your language?” she asked the elderly birdman. He made a sound like hyufol. She turned to the child and repeated the word the birdman had just taught her. The child looked befuddled. “No. It is hyufol.” “Hyufol.” “Close. Hyufol.” “Hyufol! "

― Reki Kawahara , ソードアート・オンライン 23 ユナイタル・リングII [Sōdo āto onrain 23 Yunaitaru Ringu II] (Sword Art Online Light Novel, #23: Unital Ring II)