mc5 - The Obligatory Limericks Game

But I've now done my time

And constructed a rhyme

To puzzle, bemuse and beguile:

My first letter looks like a tent
My second's a coin oft spent
Then ditto for three
The fourth's a trainee
And my last is the vowel in Lent

[Chalks]*hasn't seen a doctor in months* (dammit, because some of them are actually quite good-looking)

In a fairy tale that I once heard