I'm assuming that your Schedule 8 [S8] is similar to our Schedule II [C-II], yes?
Let's see here... I've had
morphine, codeine, hydrocodone, oxycodone, hydromorphone, oxymorphone, opium (smoked), poppy seed tea, methadone, kratom, buprenorphine, tramadol, fentanyl, dextropropoxyphene, meperidine/pethidine (Demerol) and...
I think that's it...
Hydrocodone was my first opiate that I really got into, in the form of those lovely 5/500 Vicodins...I'm sure you've heard the story. Wisdom teeth extraction. 60x 5/500 Vicodin script. Woo...! Oh, those were the days (back when OxyContin was still super cheap, hydromorphone was unheard of and therefore even cheaper...and OxyContin was the original super-easy-to-abuse-formula).
Dexamphetamine Edit:
Technically in the U.S., all opioids (with the exception of tramadol, kratom and buprenorphine for whatever reason) are C-II if they're in bulk form. Codeine is either C-II (in bulk form or in dosage units above 90mg a dose unit IIRC), C-III (if combined with another ingredient), or C-V (syrup). Same with hydrocodone combination products (Vicodin, Lortab, Norco, etc). Oxycodone is always C-II...even if it is combined with another drug.
Confusing, but it does give doctors more options when it comes to treating pain. A lot of doctors like Vicodin, Norco, Lortab, etc, because those formulations are C-III (easier to prescribe, less pain in the ass from the DEA, etc).