| Brain-scan letters |
| All, e.g., for this answer's last six letters? |
| Common campus transportation |
| Archaeologist's letters |
| Organizations with Greek letters |
| Common barn roof |
| Common bridal flower |
| Confusing statements ... and a hint to the circled letters |
| Common woman? |
| Surprises unpleasantly, and a hint to each starred answer's first two + last two letters |
| Commonwealth in Boston, e.g.: Abbr. |
| Accompaniers of cover letters: Abbr. |
| Attend a party uninvited ... and a literal hint to five sets of circled letters |
| Adjust space between letters, in printing |
| Commonwealth Day month |
| Whatever it takes ... as hinted at in the arrangements of black squares around the circled letters |
| Personal letters |
| Letters from the family? |
| Retirement plan letters |
| Bounced-check letters |
| Common sites for Christmas lights |
| Hi-speed internet connection |
| Most common of the noble gases |
| Common injury location |
| Common" sickness |
| Letters preceding an assumed name |
| ICU instruction letters |
| Internet service provider once known for mass mailings of CDs |
| Common catalyst |
| Artistic place for tiny letters? |