| ____beri |
| Half a disease |
| Sudanese native |
| Half a sailor's disease |
| Half a rice diet disease |
| Repeated, it's a disease |
| Double this for a disease |
| Half a thiamine deficiency |
| Doubled, a tropical disease |
| Twice, a thiamine deficiency |
| Repeated, a vitamin deficiency |
| Doubled, a thiamine deficiency |
| When doubled, a vitamin deficiency |
| When repeated, a vitamin B deficiency |
| When repeated, a vitamin B deficiency disease |