smirk msirk simrk ismrk misrk imsrk smrik msrik srmik rsmik mrsik rmsik sirmk isrmk srimk rsimk irsmk rismk mirsk imrsk mrisk rmisk irmsk rimsk smikr msikr simkr ismkr miskr imskr smkir mskir skmir ksmir mksir kmsir sikmr iskmr skimr ksimr iksmr kismr miksr imksr mkisr kmisr ikmsr kimsr smrki msrki srmki rsmki mrski rmski smkri mskri skmri ksmri mksri kmsri srkmi rskmi skrmi ksrmi rksmi krsmi mrksi rmksi mkrsi kmrsi rkmsi krmsi sirkm isrkm srikm rsikm irskm riskm sikrm iskrm skirm ksirm iksrm kisrm srkim rskim skrim ksrim rksim krsim irksm riksm ikrsm kirsm rkism krism mirks imrks mriks rmiks irmks rimks mikrs imkrs mkirs kmirs ikmrs kimrs mrkis rmkis mkris kmris rkmis krmis irkms rikms ikrms kirms rkims krims
Note: these 'words' (valid or invalid) are all the permutations of the word smirk. These words are obtained by scrambling the letters in smirk.