multiple different articles in same case for purchase

I request to radical assorted articles into the aforesaid Casepack.  I cannot bash this arsenic a prepack utilizing variants..

My institution runs Restautant/food work sites successful airports.  Example:  we merchantability Bagels.  In 1 airdrome we acquisition a radical of assorted bagel flavors arsenic a prepack (12 plain, 6 onion, 6 raisin), nevertheless successful different airdrome that prepack comes from a antithetic vendor and it is (12 Plain, 6 onion, 6 raisin, 6 poppyseed), past successful different airdrome we acquisition from 3rd vendor each individually.  

I cannot utilize Prepack owed to each bagel flavors beneath would beryllium variants, and since the operation is antithetic based connected the vendor it won't work. One solution would beryllium creating a abstracted prepack acceptable up for each vendor, but the effect would beryllium having 45 antithetic nonfiction numbers for "Plain Bagel"

Is determination a mode to radical "single" articles into a case-pack for acquisition bid processing.  The vendor successful the supra script invoices america for "Assorted Bagels", if we participate each bagel spirit separately connected the PO, we won't beryllium capable to execute automatic 3-way lucifer and invoice volition person to beryllium manually released.