cannot acnnot cnanot ncanot ancnot nacnot cannot acnnot cnanot ncanot ancnot nacnot cnnaot ncnaot cnnaot ncnaot nncaot nncaot anncot nancot anncot nancot nnacot nnacot canont acnont cnaont ncaont ancont nacont caonnt aconnt coannt ocannt aocnnt oacnnt cnoant ncoant conant ocnant nocant oncant anocnt naocnt aoncnt oancnt noacnt onacnt canont acnont cnaont ncaont ancont nacont caonnt aconnt coannt ocannt aocnnt oacnnt cnoant ncoant conant ocnant nocant oncant anocnt naocnt aoncnt oancnt noacnt onacnt cnnoat ncnoat cnnoat ncnoat nncoat nncoat cnonat nconat connat ocnnat nocnat oncnat cnonat nconat connat ocnnat nocnat oncnat nnocat nnocat noncat onncat noncat onncat annoct nanoct annoct nanoct nnaoct nnaoct anonct naonct aonnct oannct noanct onanct anonct naonct aonnct oannct noanct onanct nnoact nnoact nonact onnact nonact onnact cannto acnnto cnanto ncanto ancnto nacnto cannto acnnto cnanto ncanto ancnto nacnto cnnato ncnato cnnato ncnato nncato nncato anncto nancto anncto nancto nnacto nnacto cantno acntno cnatno ncatno anctno nactno catnno actnno ctanno tcanno atcnno tacnno cntano nctano ctnano tcnano ntcano tncano antcno natcno atncno tancno ntacno tnacno cantno acntno cnatno ncatno anctno nactno catnno actnno ctanno tcanno atcnno tacnno cntano nctano ctnano tcnano ntcano tncano antcno natcno atncno tancno ntacno tnacno cnntao ncntao cnntao ncntao nnctao nnctao cntnao nctnao ctnnao tcnnao ntcnao tncnao cntnao nctnao ctnnao tcnnao ntcnao tncnao nntcao nntcao ntncao tnncao ntncao tnncao anntco nantco anntco nantco nnatco nnatco antnco natnco atnnco tannco ntanco tnanco antnco natnco atnnco tannco ntanco tnanco nntaco nntaco ntnaco tnnaco ntnaco tnnaco canotn acnotn cnaotn ncaotn ancotn nacotn caontn acontn coantn ocantn aocntn oacntn cnoatn ncoatn conatn ocnatn nocatn oncatn anoctn naoctn aonctn oanctn noactn onactn canton acnton cnaton ncaton ancton nacton catnon actnon ctanon tcanon atcnon tacnon cntaon nctaon ctnaon tcnaon ntcaon tncaon antcon natcon atncon tancon ntacon tnacon caotnn acotnn coatnn ocatnn aoctnn oactnn catonn actonn ctaonn tcaonn atconn taconn cotann octann ctoann tcoann otcann tocann aotcnn oatcnn atocnn taocnn otacnn toacnn cnotan ncotan contan ocntan noctan onctan cntoan nctoan ctnoan tcnoan ntcoan tncoan cotnan octnan ctonan tconan otcnan tocnan notcan ontcan ntocan tnocan otncan toncan anotcn naotcn aontcn oantcn noatcn onatcn antocn natocn atnocn tanocn ntaocn tnaocn aotncn oatncn atoncn taoncn otancn toancn notacn ontacn ntoacn tnoacn otnacn tonacn canotn acnotn cnaotn ncaotn ancotn nacotn caontn acontn coantn ocantn aocntn oacntn cnoatn ncoatn conatn ocnatn nocatn oncatn anoctn naoctn aonctn oanctn noactn onactn canton acnton cnaton ncaton ancton nacton catnon actnon ctanon tcanon atcnon tacnon cntaon nctaon ctnaon tcnaon ntcaon tncaon antcon natcon atncon tancon ntacon tnacon caotnn acotnn coatnn ocatnn aoctnn oactnn catonn actonn ctaonn tcaonn atconn taconn cotann octann ctoann tcoann otcann tocann aotcnn oatcnn atocnn taocnn otacnn toacnn cnotan ncotan contan ocntan noctan onctan cntoan nctoan ctnoan tcnoan ntcoan tncoan cotnan octnan ctonan tconan otcnan tocnan notcan ontcan ntocan tnocan otncan toncan anotcn naotcn aontcn oantcn noatcn onatcn antocn natocn atnocn tanocn ntaocn tnaocn aotncn oatncn atoncn taoncn otancn toancn notacn ontacn ntoacn tnoacn otnacn tonacn cnnota ncnota cnnota ncnota nncota nncota cnonta nconta connta ocnnta nocnta oncnta cnonta nconta connta ocnnta nocnta oncnta nnocta nnocta noncta onncta noncta onncta cnntoa ncntoa cnntoa ncntoa nnctoa nnctoa cntnoa nctnoa ctnnoa tcnnoa ntcnoa tncnoa cntnoa nctnoa ctnnoa tcnnoa ntcnoa tncnoa nntcoa nntcoa ntncoa tnncoa ntncoa tnncoa cnotna ncotna contna ocntna noctna onctna cntona nctona ctnona tcnona ntcona tncona cotnna octnna ctonna tconna otcnna tocnna notcna ontcna ntocna tnocna otncna toncna cnotna ncotna contna ocntna noctna onctna cntona nctona ctnona tcnona ntcona tncona cotnna octnna ctonna tconna otcnna tocnna notcna ontcna ntocna tnocna otncna toncna nnotca nnotca nontca onntca nontca onntca nntoca nntoca ntnoca tnnoca ntnoca tnnoca notnca ontnca ntonca tnonca otnnca tonnca notnca ontnca ntonca tnonca otnnca tonnca annotc nanotc annotc nanotc nnaotc nnaotc anontc naontc aonntc oanntc noantc onantc anontc naontc aonntc oanntc noantc onantc nnoatc nnoatc nonatc onnatc nonatc onnatc anntoc nantoc anntoc nantoc nnatoc nnatoc antnoc natnoc atnnoc tannoc ntanoc tnanoc antnoc natnoc atnnoc tannoc ntanoc tnanoc nntaoc nntaoc ntnaoc tnnaoc ntnaoc tnnaoc anotnc naotnc aontnc oantnc noatnc onatnc antonc natonc atnonc tanonc ntaonc tnaonc aotnnc oatnnc atonnc taonnc otannc toannc notanc ontanc ntoanc tnoanc otnanc tonanc anotnc naotnc aontnc oantnc noatnc onatnc antonc natonc atnonc tanonc ntaonc tnaonc aotnnc oatnnc atonnc taonnc otannc toannc notanc ontanc ntoanc tnoanc otnanc tonanc nnotac nnotac nontac onntac nontac onntac nntoac nntoac ntnoac tnnoac ntnoac tnnoac notnac ontnac ntonac tnonac otnnac tonnac notnac ontnac ntonac tnonac otnnac tonnac
Note: these 'words' (valid or invalid) are all the permutations of the word cannot. These words are obtained by scrambling the letters in cannot.