| Env. inside an env., e.g. | 25 |
| Check within, say?: Abbr. | 25 |
| Check sent with a ltr., e.g. | 28 |
| A check inside? (Abbr.) | 23 |
| Stuff into an envelope | 22 |
| Puts in an envelope, say | 24 |
| Env. contents besides letters | 29 |
| Docs. sent with the letter | 26 |
| Cover ltr. accompaniers | 23 |
| Render unreadable, in a way | 27 |
| Create, as a cryptogram | 23 |
| Write, as computer programs | 27 |
| Try to make undecipherable | 26 |
| Make hard to figure out | 23 |
| Do a cryptographer's job | 28 |
| Write, as a secret message | 26 |
| What cryptographers do | 22 |
| Secure, as information | 22 |
| Put in a secret language | 24 |
| Purposely obfuscate, in a way | 29 |
| Protect from unfriendly eyes | 28 |
| Make unreadable, for security | 29 |
| Make unreadable to the enemy | 28 |
| Make hard to read, in a way | 27 |
| Do some espionage work | 22 |
| Change into ciphertext | 22 |
| Wrote cryptograms, maybe | 24 |
| Prepared for transmission | 25 |
| Secret language device | 22 |
| Person with something to hide | 29 |
| One who writes cryptograms | 26 |
| They have something to hide | 27 |
| Scrambles to keep secret | 24 |
| Makes unreadable, in a way | 26 |
| Makes secret, in a way | 22 |
| Hides from the enemy, say | 25 |
| "Keep going!" | 23 |
| Post-performance performance | 28 |
| Unscheduled performance | 23 |
| Performer's thrill | 22 |
| Additional performance | 22 |
| Word shouted during applause | 28 |
| Request from a happy audience | 29 |
| Encouraging concert hall cry | 28 |
| "More! More!" | 23 |
| Sister channel of Starz | 23 |
| Shout after a tour de force | 27 |
| Possible follower of a bravo | 28 |
| Ovation result, perhaps | 23 |
| Frequent concert ender | 22 |
| "Sing another one!" | 29 |
| "Do it again!" | 24 |
| "Again! Again!" | 25 |
| 'Sing some more!' | 25 |
| 'Keep singing!' | 23 |
| They follow standing ovations | 29 |
| They aren't programmed | 26 |
| Responses to some applause | 26 |
| Musicians' delights | 23 |
| Extras for a cheering crowd | 27 |
| Clappers may prompt them | 24 |
| Calls that delight performers | 29 |
| Calls for more on the Rialto | 28 |
| Bands' bonus tunes | 22 |
| Letter attachments: Abbr. | 25 |
| Items included in envs. | 23 |
| Items incl. with a letter | 25 |
| Extra things in the env. | 24 |
| Envelope additions: Abbr. | 25 |
| Wikipedia, for one (abbr.) | 26 |
| Caboose's position | 22 |
| Word with split or tail | 23 |
| It's sometimes bitter | 25 |
| Word with run or result | 23 |
| Word with living or dead | 24 |
| Not-so-desirable bread slice | 28 |
| His job is on the line | 22 |
| Author's last word? | 23 |
| It may be living or dead | 24 |
| Word with front or rear | 23 |
| Word with all or result | 23 |
| Quarterback's target | 24 |
| It may be bitter or loose | 25 |
| Every streetcar line has one | 28 |
| Bring the curtain down on | 25 |
| Bring down the curtain | 22 |
| "This ___ up" | 23 |
| Write "finis" | 23 |
| Word with loose or tight | 24 |
| Word with bitter or tail | 24 |
| Word after tight or loose | 25 |
| The final word in storybooks | 28 |
| Target for Peyton Manning | 25 |
| Something to keep in sight | 26 |
| Rarely-used computer key | 24 |
| Player next to a tackle | 23 |
| Place to burn a candle? | 23 |
| Living or dead follower | 23 |
| Last word in literature? | 24 |
| It may be bitter or dead | 24 |