nokimaro

$str = strtr($str, [
     "O'tsin" => "Ўтсин",
     "yetsin" => "етсин",
     //и тд
]);

$uuid_str = "392981414524f56f68d9f4a47e7072f2";

echo join('-', sscanf($uuid_str, '%8s%4s%4s%4s%12s'));

$uuid_str = "392981414524f56f68d9f4a47e7072f2";

$uuid_dashed = 
    substr($uuid_str , 0, 8) . '-' . 
    substr($uuid_str , 8, 4) . '-' . 
    substr($uuid_str , 12, 4) . '-' . 
    substr($uuid_str , 16, 4)  . '-' . 
    substr($uuid_str, 20)
;

var_dump($uuid_dashed);

$result = 'Пришло сообщение!! ' . "<br>От: $text" . "<br>Что нужно: $work";

$sendToTelegram = fopen("http://api.telegram.org/bot##################/sendMessage?chat_id=##########&parse_mode=html&text={$result}", "r");