You'll be lucky to hit £1k for what you want, if my understanding is right.
I'll explain my understanding incase I missed it, Your looking for a LLL that is easy to pronounce, with common letters that start words, which rules out like Q, U, X and Z. So you can create a 3 word name and use those letters.
The next Sedo auction maybe your best bet, or Firestars may have something too.