can i mix Oramorph with otherr drugs and still be safe to drive?

This mix can be a problem when using machinery or even a vehicle. By the look of your meds. sounds to me like you are using a Primary Treating Physician as your pain doctor. Yes a PTP can give out pain meds but this is not really his/her field. Check into a Pain Management Doctor. If you are seeing a Pain Management doctor then ask them about driving. Check with your Pharmicist.
As someone that knows legal aspects, with your drug load, yes you could be picked up for driving under the influence. Even if you have novacane for a filling you can be picked up for driving under the influence. I am not trying to scare you but to be honest with you. I am so glad you came here to ask about driving while taking these meds.

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Something else you mentioned was Chronic Fatigue. Did you have this before taking meds for your Fibromylagia? You might just not have Chronic Fatigue Syndrome, maybe a over load of meds. As your Pain Management Doctor can decide, as these meds listed are just down their alley.
I surely hope that your Fibromylagia gets better. Some have tried Subutex and dropped all the other meds in treatment of Fibromylagia, this is just a thought. I saw a woman one day crying in a waiting room she too had Firbrmylagia, soon as she was put of Subtex her tears turned to a smile. I know this is not for everyone but for this lady it worked.

Wishing you the Best