<prompt> Drugs used in maintenance of substance dependance-a Naloxoneb Acamprosatec Disulfiramd Clonidineabcacdbcdbd  <response>: Maintenance drugs in opioid dependence: - Methadone, buprenorphine, LAAM, Naltrexone, Clonidine with naltrexone.Maintenance drugs in alcohol dependence: - Aversive drugs disulfiram, CCC, metranidazole, nitrafezole, and anticraving agents Naltrexone, acamprosate, fluoxetine, topiramate, nalmefene. 