No. 2.
ENIGMA.
| My first is in mouse, but is never in rat. |
| My second in dog, but never in cat. |
| My third is in animal, never in fish. |
| My fourth is in vessel, and never in dish. |
| My fifth is in monkey, and not in giraffe. |
| My whole is a thing 'tis convenient to have. |
F. A. B.