With the requirement of at least a 7-letter word: Reading ... length 8: 37514 length 7: 31449 length 6: 22043 length 5: 12337 length 4: 5826 length 3: 1892 length 2: 398 length 1: 26 Extending 7 ... Preparing ... Prepared 704575 Sorting ... 670 aeilnrst entrails 666 aeilprst pilaster 661 adeinrst detrains 651 aeinprst pantries 651 adeilrst dilaters 634 adeilnor irondale 631 aeinorst arsonite 626 aeginrst angriest 623 aeilmrst lamister 619 aeimnrst merantis 618 adeilnrs islander 615 aeloprst petrosal 614 adeiprst rapidest 607 aenoprst operants 605 aelnorst lonestar Use of uninitialized value in printf at test.pl line 57, <$fh> line 305089. 604 adeilnst 598 adegilnr dearling 597 acenorst ancestor Use of uninitialized value in printf at test.pl line 57, <$fh> line 305089. 597 adeilnrt 595 aceinrst canister 670 aeilnrst 8 entrails 7 aliners alister anestri anilest antlers antsier elastin entrail latiner 6 airest aliner altern alters aniler antler antres ariels arisen ariste arline 5 aesir airns airts aisle aisne alert alien aline alist alsen alter anile anise 4 ains aire airn airt aits alit alts anes anil ansi ante anti ares aret aril 3 ail ain air ait ale ali alt ane ani ans are art asl ate ats ean ear eat ela 2 ae ai al an ar at ea el en er et ia ie il in ir it la le li ln lr lt na ne ni 1 a e i l n r s