hawks ahwks hwaks whaks awhks wahks hakws ahkws hkaws khaws akhws kahws hwkas whkas hkwas khwas wkhas kwhas awkhs wakhs akwhs kawhs wkahs kwahs hawsk ahwsk hwask whask awhsk wahsk haswk ahswk hsawk shawk ashwk sahwk hwsak whsak hswak shwak wshak swhak awshk washk aswhk sawhk wsahk swahk haksw ahksw hkasw khasw akhsw kahsw haskw ahskw hsakw shakw ashkw sahkw hksaw khsaw hskaw shkaw kshaw skhaw akshw kashw askhw sakhw ksahw skahw hwksa whksa hkwsa khwsa wkhsa kwhsa hwska whska hswka shwka wshka swhka hkswa khswa hskwa shkwa kshwa skhwa wksha kwsha wskha swkha kswha skwha awksh waksh akwsh kawsh wkash kwash awskh waskh aswkh sawkh wsakh swakh akswh kaswh askwh sakwh ksawh skawh wksah kwsah wskah swkah kswah skwah
Note: these 'words' (valid or invalid) are all the permutations of the word hawks. These words are obtained by scrambling the letters in hawks.