| Prefix with sol and stat | 24 |
| Prefix with plane, to a Brit | 28 |
| Prefix with plane or gram | 25 |
| Prefix with plane or dynamics | 29 |
| Prefix with gram or train | 25 |
| Prefix with gram or dyne | 24 |
| Prefix with dyne or stat | 24 |
| Prefix with dyne or sol | 23 |
| Prefix with dynamics or sol | 27 |
| Prefix with dynamic or space | 28 |
| Prefix with dynamic and space | 29 |
| Prefix with drome or dynamics | 29 |
| Prefix on an air letter | 23 |
| Prefix for stat or sol | 22 |
| Prefix for space or naut | 24 |
| Prefix for space or gram | 24 |
| Prefix for space or dynamics | 28 |
| Prefix for plane or sol | 23 |
| Prefix for plane or dynamic | 27 |
| Prefix for naut or gram | 23 |
| Prefix for gram or nautical | 27 |
| Prefix for gram or dyne | 23 |
| Prefix for gram or drome | 24 |
| Prefix for dyne or drome | 24 |
| Prefix for dynamics or gram | 27 |
| Prefix for dynamic or space | 27 |
| Prefix for drome or sol | 23 |
| Prefix for "space" | 28 |
| Preceder of gram or nautics | 27 |
| Plane preceder in London | 24 |
| Plane or dynamic prefix | 23 |
| Plane or dynamic preceder | 25 |
| Plane or dynamic beginning | 26 |
| Phone or physics preceder | 25 |
| Pertaining to flying craft | 26 |
| Pertaining to aviation | 22 |
| Old magazine ___ Digest | 23 |
| Of air or gases: Comb. form | 27 |
| Nautical and space leader | 25 |
| Musical prefix with smith? | 26 |
| Like a sports car, briefly | 26 |
| Lead-in for plane or space | 26 |
| Kind of space or plane | 22 |
| Kind of plane or space | 22 |
| Kind of plane or dynamics | 25 |
| Inflatable mattress brand | 25 |
| Houston ice hockey pro | 22 |
| Houston athlete of yore | 23 |
| Former Houston hockey player | 28 |
| Former Boeing magazine | 22 |
| Drome or plane starter | 22 |
| Drome or naut predecessor | 25 |
| Commercial prefix with jet | 26 |
| Combiner with photo or phobia | 29 |
| Chocolate bar with bubbles | 26 |
| Beginning for sphere or space | 29 |
| Attachment to smith or plane | 28 |
| Aircraft-related prefix | 23 |
| "Sol" lead-in | 23 |
| "Nautical" beginner | 29 |
| "Flying" start | 24 |
| Oxygen-dependent organism | 25 |
| Bacterium that needs oxygen | 27 |
| Bacterium needing oxygen | 24 |
| Oxygen-dependent bacterium | 26 |
| Oxygen-consuming bacterium | 26 |
| Organism needing oxygen | 23 |
| Bacterium requiring oxygen | 26 |
| Oxygen-dependent creature | 25 |
| Oxygen-consuming organism | 25 |
| Bacteriologist's study | 26 |
| Bacteria requiring oxygen | 25 |
| Oxygen-utilizing bacterium | 26 |
| Oxygen-thriving organism | 24 |
| Oxygen-needing organism | 23 |
| Oxygen-needing bacterium | 24 |
| Oxygen-loving organism | 22 |
| Organism needing air to exist | 29 |
| Microscopic oxygen user | 23 |
| Like much strenuous exercise | 28 |
| Like rowing or running | 22 |
| Like jogging or rowing | 22 |
| Like biking or jogging | 22 |
| Good for the heart and lungs | 28 |
| It can take your breath away | 28 |
| Type of fitness training | 24 |
| It'll do your heart good | 28 |
| Using a treadmill, e.g. | 23 |
| Running or stepping, e.g. | 25 |
| It's good for the heart | 27 |
| Richard Simmons' forte | 26 |
| Gym class set to music | 22 |
| Former Houston hockey team | 26 |
| Flying machines, quaintly | 25 |
| Old Houston hockey team | 23 |
| Hockey team of Houston | 22 |
| Flying machines, for short | 26 |
| Defunct Houston hockey team | 27 |
| Akron minor-league team | 23 |
| Akron Class AA ball team | 24 |