awful waful afwul fawul wfaul fwaul awufl waufl auwfl uawfl wuafl uwafl afuwl fauwl aufwl uafwl fuawl ufawl wfual fwual wufal uwfal fuwal ufwal awflu waflu afwlu fawlu wfalu fwalu awlfu walfu alwfu lawfu wlafu lwafu aflwu falwu alfwu lafwu flawu lfawu wflau fwlau wlfau lwfau flwau lfwau awulf waulf auwlf uawlf wualf uwalf awluf waluf alwuf lawuf wlauf lwauf aulwf ualwf aluwf lauwf ulawf luawf wulaf uwlaf wluaf lwuaf ulwaf luwaf afulw faulw auflw uaflw fualw ufalw afluw faluw alfuw lafuw flauw lfauw aulfw ualfw alufw laufw ulafw luafw fulaw uflaw fluaw lfuaw ulfaw lufaw wfula fwula wufla uwfla fuwla ufwla wflua fwlua wlfua lwfua flwua lfwua wulfa uwlfa wlufa lwufa ulwfa luwfa fulwa uflwa fluwa lfuwa ulfwa lufwa
Note: these 'words' (valid or invalid) are all the permutations of the word awful. These words are obtained by scrambling the letters in awful.