fairl afirl fiarl ifarl aifrl iafrl faril afril frail rfail arfil rafil firal ifral frial rfial irfal rifal airfl iarfl arifl raifl irafl riafl failr afilr fialr ifalr aiflr iaflr falir aflir flair lfair alfir lafir filar iflar fliar lfiar ilfar lifar ailfr ialfr alifr laifr ilafr liafr farli afrli frali rfali arfli rafli falri aflri flari lfari alfri lafri frlai rflai flrai lfrai rlfai lrfai arlfi ralfi alrfi larfi rlafi lrafi firla ifrla frila rfila irfla rifla filra iflra flira lfira ilfra lifra frlia rflia flria lfria rlfia lrfia irlfa rilfa ilrfa lirfa rlifa lrifa airlf iarlf arilf railf iralf rialf ailrf ialrf alirf lairf ilarf liarf arlif ralif alrif larif rlaif lraif irlaf rilaf ilraf liraf rliaf lriaf
Note: these 'words' (valid or invalid) are all the permutations of the word fairl. These words are obtained by scrambling the letters in fairl.