| Abaci |
| Vipers |
| Snakes |
| Kraits |
| Summers |
| Tab toters |
| Some snakes |
| Sum finders |
| Milk snakes |
| Abacus users |
| Some summers |
| Puff" snakes |
| Common vipers |
| Some serpents |
| Bean counters |
| Hognose snakes |
| Venomous vipers |
| Venomous snakes |
| European vipers |
| Office machines |
| Dangerous vipers |
| Dangerous biters |
| Dangerous snakes |
| Poisonous snakes |
| Milk snakes, e.g. |
| Venomous serpents |
| They sum it all up |
| Calculating vipers? |
| Calculating snakes? |
| Cash registers, e.g. |
| Some poisonous snakes |
| Some calculator users |
| ___-tongue (small fern) |
| Bill checkers, at times |
| Dreads (anag) — snakes |
| Snakes that don't multiply? |
| Puff ___ (Old World menaces) |