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A MS. might come back in it, 4 letters
Accompaniment for a ms., 4 letters
Accompaniment for a submission to an ed., 4 letters
Accompaniment for an MS, 4 letters
Aid in answering: Abbr., 4 letters
Answering aid: Abbr., 4 letters
Autograph collecting aid, for short, 4 letters
Business letter enc., 4 letters
Business-reply encl., 4 letters
Common ms. accompaniment, 4 letters
Contest entry enclosure: abbr., 4 letters
Convenience for an ed., 4 letters
Correspondence enc. notation, 4 letters
Correspondent's encl, 4 letters
Courteous enclosure: abbr., 4 letters
Courtesy for an editor: Abbr., 4 letters
Cover letter accompaniment (abbr.), 4 letters
Ed.'s request, often, 4 letters
Editor's request (abbr.), 4 letters
Enc. accompanying an autograph request, 4 letters
Enc. for a response, 4 letters
Enc. with a manuscript, 4 letters
Encl. to facilitate a response, 4 letters
Encl. with a sweepstakes entry, 4 letters
Encl. with an autograph request, 4 letters
Encl. with an autograph request letter, 4 letters
Enclosure inside an enclosure, for short, 4 letters
Enclosure returned by the P.O., 4 letters
Enclosure to an ed., 4 letters
Enclosure with a MS, 4 letters
Epistolary courtesy, 4 letters
Epistolary courtesy: Abbr., 4 letters
Freelance crossword sender's enclosure, often, 4 letters
Freelance submission encl., 4 letters
Freelancer's courtesy: abbr., 4 letters
Freelancer's encl. (m), 4 letters
Freelancer's insert, briefly, 4 letters
Frequent publishers submission req., 4 letters
Inclusion with a MS., 4 letters
International Reply Coupon rel., 4 letters
It has your name on it: Abbr., 4 letters
It holds your rejection slip, 4 letters
It may accompany a MS, 4 letters
It may be used for many unhappy returns: Abbr., 4 letters
It may come back to you: Abbr., 4 letters
It may hold a rejection slip, briefly, 4 letters
It might accompany an MS, 4 letters
It might contain a letter from the editor: Abbr., 4 letters
It should come back to you after a while: Abbr., 4 letters
It should guarantee a return: Abbr., 4 letters
It's sent to an ed., 4 letters
It's sent with the ms., 4 letters
It's used to return mail: abbr., 4 letters
Item in a ms. submission, 4 letters
Item mailed with a ms., 4 letters
Letter in a letter: abbr., 4 letters
Letter insert, briefly, 4 letters
Letter-bottom letters, 4 letters
Ltr. writer's courtesy, 4 letters
Mail convenience: Abbr., 4 letters
Mail courtesy, briefly, 4 letters
Mail-enclosure courtesy: Abbr., 4 letters
Mail-in offer request: Abbr., 4 letters
Mailing courtesy, briefly, 4 letters
Mailing courtesy, in ads, 4 letters
Mailing courtesy: abbr., 4 letters
Manuscript enclosure: Abbr., 4 letters
Manuscript mailing enclosure: Abbr., 4 letters
MS container, maybe, 4 letters
One of the things you need to mail in for a transcript of this week's program, initially, 4 letters
Part of an author's submission: Abbr., 4 letters
Postage-paid enclosure: Abbr., 4 letters
Postpaid enclosure: Abbr., 4 letters
Ready-to-mail item (Abbr.), 4 letters
Ready-to-mail item, briefly, 4 letters
Rejected MS. container, 4 letters
Reply courtesy, briefly, 4 letters
Reply requirement: abbr., 4 letters
Request from an ed., 4 letters
Requirement for ms. return, 4 letters
Response facilitator: Abbr., 4 letters
Return container, for short, 4 letters
Return mail requirement (abbr.), 4 letters
Return mailer (Abbr.), 4 letters
Return-mail aid (abbr.), 4 letters
Return-mail request: abbr., 4 letters
RSVP card accompanier, 4 letters
RSVP enclosure, often, 4 letters
Self-addressed stamped env., 4 letters
Spec sheet requirement, 4 letters
Submission addition: Abbr., 4 letters
Submission enclosure, 4 letters
Unsolicited ms. encl., 4 letters
Unsolicited ms. enclosure, 4 letters
Wedding invitation courtesy, briefly, 4 letters
Wedding invitation encl., 4 letters
Writer's Market abbr., 4 letters
Writing submission enclosure, for short, 4 letters
You might enclose one with a MS, 4 letters
Japanese naval base north of Nagasaki, 6 letters
Japanese port near Nagasaki, 6 letters
Seaport in SW Japan, 6 letters
Southwest Japanese port, 6 letters
Author's supply (abbr.), 5 letters
Conveniences for eds., 5 letters
Enclosures with MSS., 5 letters
Epistolary courtesies: Abbr., 5 letters
Freelance writers' encls., 5 letters
Freelancer's enc.'s, 5 letters
Freelancer's supply (Abbr.), 5 letters
Freelancers' encls., 5 letters
Invitation enclosures (Abbr.), 5 letters
Letter enclosures (abbr.), 5 letters
Lit. agt's. outbox fill, 5 letters
Mail courtesies: abbr., 5 letters
Manuscript enclosures, 5 letters
Many eds. accept them, 5 letters
MSS. accompaniments, 5 letters
Postal conveniences: Abbr., 5 letters
Postpaid courtesies: Abbr., 5 letters
R.S.V.P. courtesies, 5 letters
Return mail courtesies (Abbr.), 5 letters
Return reply conveniences: Abbr., 5 letters
Return-postage enclosures: Abbr., 5 letters
Some contest entries: Abbr., 5 letters
Some ltr. enclosures, 5 letters
They may be included with contest submissions: Abbr., 5 letters
They may go with unsolicited manuscripts: Abbr., 5 letters
They usually accompany mss., 5 letters
They're enclosed for returns: abbr., 5 letters
They're for returning MSS, 5 letters
They're often sent with mss., 5 letters