Possible Clues:

• Skips a phoneme
• See up about the cover inside that one leaves out
• See about the lid that gets a bit left out
• Omits
• Drops a syllable
• How one may see about the cover as one shortens it, in a manner of speaking
• That's an omission, in a manner of speaking
• Lie to Desmond about what one leaves out
• Look up about the cover as one leaves a bit out
• Omits, as vowels