field ifeld feild efild iefld eifld filed ifled flied lfied ilfed lifed felid eflid fleid lfeid elfid lefid ielfd eilfd ilefd liefd elifd leifd fiedl ifedl feidl efidl iefdl eifdl fidel ifdel fdiel dfiel idfel difel fedil efdil fdeil dfeil edfil defil iedfl eidfl idefl diefl edifl deifl filde iflde flide lfide ilfde lifde fidle ifdle fdile dfile idfle difle fldie lfdie fdlie dflie ldfie dlfie ildfe lidfe idlfe dilfe ldife dlife feldi efldi fledi lfedi elfdi lefdi fedli efdli fdeli dfeli edfli defli fldei lfdei fdlei dflei ldfei dlfei eldfi ledfi edlfi delfi ldefi dlefi ieldf eildf iledf liedf elidf leidf iedlf eidlf idelf dielf edilf deilf ildef lidef idlef dilef ldief dlief eldif ledif edlif delif ldeif dleif
Note: these 'words' (valid or invalid) are all the permutations of the word field. These words are obtained by scrambling the letters in field.