Related Clues:

• Oilcan letters
• Letters on an oil can
• Enclosure with a manuscript, for short
• It might accompany a MS.
• Mint family herb
• Submission encl.
• Oil can letters
• Oil-can letters
• Manuscript encl.
• Abbr. on a can of motor oil
• Letters on a motor-oil can
• Enclosure with a MS
• Cover letter letters
• Letter enc., maybe
• An aromatic herb