Kaiba's hesitant to guess at first. He wants Yuugi to be able to recover...to be able to breathe, just for a moment, before inevitably, Kaiba has to swing in the dark and pray to strike.

K...that's a strange letter to be right in the middle of a word. He'll have to play it careful.

After a minute...he taps "S". A common letter, once more. But will it be common enough...?