いろんなフォントで「operator」変換
Zen Old Minchooperator
Yusei Magicoperator
M PLUS 1operator
Shippori Antiqueoperator
Yuji Maioperator
Dela Gothic Oneoperator
DotGothic16operator
Train Oneoperator
Hira Minchooperator
Potta Oneoperator
Reggae Oneoperator
Stickoperator
Zen Kurenaidooperator
Kosugi Maruoperator
Rampart Oneoperator
Hachi Maru Popoperator
New Tegominoperator
RocknRoll Oneoperator
Kaisei Decoloperator
「operator」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
