a huge list of anagrams ... The list is of course computer generated (with a ten-line perl script) from a big dictionary I found somewhere on the net.
6 letter words starting with aahed, abaca, abaci, aback, abada, abaft, aband, abase, abash, abate, abbes, abbey, abbot, abdal, abeam, abear, abele, aberr, abets ...