いろんなフォントで「ligature」変換
Zen Old Mincholigature
Yusei Magicligature
M PLUS 1ligature
Shippori Antiqueligature
Yuji Mailigature
Dela Gothic Oneligature
DotGothic16ligature
Train Oneligature
Hira Mincholigature
Potta Oneligature
Reggae Oneligature
Stickligature
Zen Kurenaidoligature
Kosugi Maruligature
Rampart Oneligature
Hachi Maru Popligature
New Tegominligature
RocknRoll Oneligature
Kaisei Decolligature
「ligature」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
