| Answer | Crossword Clue |
|---|---|
| BLACKKEY | One of three dozen on a piano |
| KEY | One of 88 on a piano |
| EFLAT | One of the black keys on a piano |
| AXLE | One of three on a semi |
| LEG | One of three on a tripod |
| BASEMAN | One of three, on a diamond. |
| DOOR | One of three on "Let's Make a Deal" |
