Which is why american style manuals will always ask you to merge it with the subsequent word, without a hyphen You used the dash in the wrong place I might be tempted to create an open compound, but non doesn’t stand alone. Suppose that we want to negate a generic compound adjective adjective1 adjective2 [closed] ask question asked 9 years, 7 months ago modified 3 years, 11 months ago
OPEN