Can we forgo the ugly suspended hyphens in these? It looks so much cleaner and clearer to a reader than to have those dangling hyphens. Would you support it in professional writing? (I hope so!) The movie appealed to five, six, and seven-year-olds. (Rather than: The movie appealed to five-, six-, and seven-year-olds.) first, second, and third-grade activities (Rather than: first-, second-, and third-grade activities) two and four-wheel drive (Rather than: two- and four-wheel drive) fifteen and thirty-year mortgages (Rather than: fifteen- and thirty-year mortgages) pre and post-war (Rather than: pre- and post war) a one to two-week vacation (Rather than: a one- to two-week vacation) three, six, and nine-month updates (Rather than: three-, six-, and nine-month updates) open and closed-door policies (Rather than: open- and closed-door policies) long and short-term loans (Rather than: long- and short-term loans) But: “a ten percent-off coupon” (The reader needs the single hyphen, I think, to fully grasp that the coupon is entitling the customer to ten percent savings off [deducted from] the original price Thank you.