The phrase "assortment on" is not correct and does not convey a clear meaning in written English.
It is unclear what context you are trying to use it in, as "assortment" typically requires a preposition like "of" or "for" to indicate what is being assorted.
Example: "The assortment of fruits at the market was impressive."
Alternatives: "variety of" or "selection of".
Pick an interesting bottle from the ever-changing assortment on display along one wall, and then retire to a seat at the long kitchen counter or in the nook of a dining room.
Then they select props and costumes from a motley assortment on hand.
In addition to wall labels, there should be many more historical documents — books, journals, posters — than the meager assortment on view.
Just look at a popular subject like business on the Ucas website course search and you will see there is a huge assortment on offer.
The assortment on "Lightning Over the River: The Congolese Soukous Guitar Sound" (Music Club), with most of the best-known soukous bands, can't entirely avoid the synthesizer overlays, but it keeps the grooves varied, buoyant and continually surprising.
The assortment on the other plate was not quite so photogenic but texturally bolder: whole baby carrots, glazed with honey butter; half an ear of corn flecked with black from the grill; green beans sautéed with almonds and orange zest; and a dish that competed with a hanger steak entree for meatiest: thick, chewy collard greens with a generous, smoke-infused hunk of bacon.
My father was a meth dealer, and he lived on an armed compound in the country, and he had a whole assortment of hangers-on.
Who dines in Room 414? "An assortment of hangers-on and bureaucrats," said an old U.N. hand, whose time abroad had left him bitter.
Her assistant Tiana; her hulking bodyguard, who goes by the name B-O-B; her manager, Benny Medina, and an assortment of hangers-on watched in approval.
And an assortment of snap-on tops that vary the amount of bumpiness.
It had an assortment of charms on it, one of which was a tiny toy gun, about an inch and a half long.
