https://unicode.org/emoji/charts/full-emoji-list.html
| Emoticon | Name | UTF8 | Hex | Sendmail Subject Code |
|---|---|---|---|---|
| smiling face with horns | U+1F608 | f0 9f 98 88 0a | |
| party popper | U+1F389 | f0 9f 8e 89 0a | |
| beer mug | U+1F37A | ||
| clinking beer mugs | U+1F37B | ||
| crossed swords | U+2694 | ||
| warning | U+26A0 | ||
| melting face | U+1FAE0 | ||
| grimacing face | U+1F62C | ||
| face with crossed-out eyes | U+1F635 | ||
| skull | U+1F480 | ||
| robot | U+1F916 | ||
| mage | U+1F9D9 | ||
| zombie | U+1F9DF | ||
| poultry leg | U+1F357 | ||
| police car light | U+1F6A8 | ||
| fire | U+1F525 | ||
| bomb | U+1F4A3 |
Determine hex
echo -e "\U1F608" | hexdump -C 00000000 f0 9f 98 88 0a |.....| 00000005