いろんなフォントで「prolongs」変換
Zen Old Minchoprolongs
Yusei Magicprolongs
M PLUS 1prolongs
Shippori Antiqueprolongs
Yuji Maiprolongs
Dela Gothic Oneprolongs
DotGothic16prolongs
Train Oneprolongs
Hira Minchoprolongs
Potta Oneprolongs
Reggae Oneprolongs
Stickprolongs
Zen Kurenaidoprolongs
Kosugi Maruprolongs
Rampart Oneprolongs
Hachi Maru Popprolongs
New Tegominprolongs
RocknRoll Oneprolongs
Kaisei Decolprolongs
「prolongs」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
