trawl rtawl tarwl atrwl ratwl artwl trwal rtwal twral wtral rwtal wrtal tawrl atwrl twarl wtarl awtrl watrl rawtl arwtl rwatl wratl awrtl wartl tralw rtalw tarlw atrlw ratlw artlw trlaw rtlaw tlraw ltraw rltaw lrtaw talrw atlrw tlarw ltarw altrw latrw raltw arltw rlatw lratw alrtw lartw trwla rtwla twrla wtrla rwtla wrtla trlwa rtlwa tlrwa ltrwa rltwa lrtwa twlra wtlra tlwra ltwra wltra lwtra rwlta wrlta rlwta lrwta wlrta lwrta tawlr atwlr twalr wtalr awtlr watlr talwr atlwr tlawr ltawr altwr latwr twlar wtlar tlwar ltwar wltar lwtar awltr waltr alwtr lawtr wlatr lwatr rawlt arwlt rwalt wralt awrlt warlt ralwt arlwt rlawt lrawt alrwt larwt rwlat wrlat rlwat lrwat wlrat lwrat awlrt walrt alwrt lawrt wlart lwart
Note: these 'words' (valid or invalid) are all the permutations of the word trawl. These words are obtained by scrambling the letters in trawl.