warks awrks wraks rwaks arwks rawks wakrs awkrs wkars kwars akwrs kawrs wrkas rwkas wkras kwras rkwas krwas arkws rakws akrws karws rkaws kraws warsk awrsk wrask rwask arwsk rawsk wasrk awsrk wsark swark aswrk sawrk wrsak rwsak wsrak swrak rswak srwak arswk raswk asrwk sarwk rsawk srawk waksr awksr wkasr kwasr akwsr kawsr waskr awskr wsakr swakr aswkr sawkr wksar kwsar wskar swkar kswar skwar akswr kaswr askwr sakwr ksawr skawr wrksa rwksa wkrsa kwrsa rkwsa krwsa wrska rwska wsrka swrka rswka srwka wksra kwsra wskra swkra kswra skwra rkswa krswa rskwa srkwa ksrwa skrwa arksw raksw akrsw karsw rkasw krasw arskw raskw asrkw sarkw rsakw srakw aksrw kasrw askrw sakrw ksarw skarw rksaw krsaw rskaw srkaw ksraw skraw
Note: these 'words' (valid or invalid) are all the permutations of the word warks. These words are obtained by scrambling the letters in warks.