The 1st character doesn't look like han'gŭl at first. Tricky, but 掌中神字箋 @ https://t.co/Ct8EwMuHwd suggests it could be either "mo" (ㅗ above [!] ㅁ) or "ma" (ㅏ turned left 90°, above ㅁ). The 2nd is a bit indistinct, but looks like "sa" (ㅅ turned left 90° plus ㅏ). 6/ https://t.co/34AlSg4I9z