swachh wsachh sawchh aswchh waschh awschh swcahh wscahh scwahh cswahh wcsahh cwsahh sacwhh ascwhh scawhh csawhh acswhh caswhh wacshh awcshh wcashh cwashh acwshh cawshh swahch wsahch sawhch aswhch washch awshch swhach wshach shwach hswach whsach hwsach sahwch ashwch shawch hsawch ahswch haswch wahsch awhsch whasch hwasch ahwsch hawsch swchah wschah scwhah cswhah wcshah cwshah swhcah wshcah shwcah hswcah whscah hwscah schwah cshwah shcwah hscwah chswah hcswah wchsah cwhsah whcsah hwcsah chwsah hcwsah sachwh aschwh scahwh csahwh acshwh cashwh sahcwh ashcwh shacwh hsacwh ahscwh hascwh schawh cshawh shcawh hscawh chsawh hcsawh achswh cahswh ahcswh hacswh chaswh hcaswh wachsh awchsh wcahsh cwahsh acwhsh cawhsh wahcsh awhcsh whacsh hwacsh ahwcsh hawcsh wchash cwhash whcash hwcash chwash hcwash achwsh cahwsh ahcwsh hacwsh chawsh hcawsh swachh wsachh sawchh aswchh waschh awschh swcahh wscahh scwahh cswahh wcsahh cwsahh sacwhh ascwhh scawhh csawhh acswhh caswhh wacshh awcshh wcashh cwashh acwshh cawshh swahch wsahch sawhch aswhch washch awshch swhach wshach shwach hswach whsach hwsach sahwch ashwch shawch hsawch ahswch haswch wahsch awhsch whasch hwasch ahwsch hawsch swchah wschah scwhah cswhah wcshah cwshah swhcah wshcah shwcah hswcah whscah hwscah schwah cshwah shcwah hscwah chswah hcswah wchsah cwhsah whcsah hwcsah chwsah hcwsah sachwh aschwh scahwh csahwh acshwh cashwh sahcwh ashcwh shacwh hsacwh ahscwh hascwh schawh cshawh shcawh hscawh chsawh hcsawh achswh cahswh ahcswh hacswh chaswh hcaswh wachsh awchsh wcahsh cwahsh acwhsh cawhsh wahcsh awhcsh whacsh hwacsh ahwcsh hawcsh wchash cwhash whcash hwcash chwash hcwash achwsh cahwsh ahcwsh hacwsh chawsh hcawsh swahhc wsahhc sawhhc aswhhc washhc awshhc swhahc wshahc shwahc hswahc whsahc hwsahc sahwhc ashwhc shawhc hsawhc ahswhc haswhc wahshc awhshc whashc hwashc ahwshc hawshc swahhc wsahhc sawhhc aswhhc washhc awshhc swhahc wshahc shwahc hswahc whsahc hwsahc sahwhc ashwhc shawhc hsawhc ahswhc haswhc wahshc awhshc whashc hwashc ahwshc hawshc swhhac wshhac shwhac hswhac whshac hwshac swhhac wshhac shwhac hswhac whshac hwshac shhwac hshwac shhwac hshwac hhswac hhswac whhsac hwhsac whhsac hwhsac hhwsac hhwsac sahhwc ashhwc shahwc hsahwc ahshwc hashwc sahhwc ashhwc shahwc hsahwc ahshwc hashwc shhawc hshawc shhawc hshawc hhsawc hhsawc ahhswc hahswc ahhswc hahswc hhaswc hhaswc wahhsc awhhsc whahsc hwahsc ahwhsc hawhsc wahhsc awhhsc whahsc hwahsc ahwhsc hawhsc whhasc hwhasc whhasc hwhasc hhwasc hhwasc ahhwsc hahwsc ahhwsc hahwsc hhawsc hhawsc swchha wschha scwhha cswhha wcshha cwshha swhcha wshcha shwcha hswcha whscha hwscha schwha cshwha shcwha hscwha chswha hcswha wchsha cwhsha whcsha hwcsha chwsha hcwsha swchha wschha scwhha cswhha wcshha cwshha swhcha wshcha shwcha hswcha whscha hwscha schwha cshwha shcwha hscwha chswha hcswha wchsha cwhsha whcsha hwcsha chwsha hcwsha swhhca wshhca shwhca hswhca whshca hwshca swhhca wshhca shwhca hswhca whshca hwshca shhwca hshwca shhwca hshwca hhswca hhswca whhsca hwhsca whhsca hwhsca hhwsca hhwsca schhwa cshhwa shchwa hschwa chshwa hcshwa schhwa cshhwa shchwa hschwa chshwa hcshwa shhcwa hshcwa shhcwa hshcwa hhscwa hhscwa chhswa hchswa chhswa hchswa hhcswa hhcswa wchhsa cwhhsa whchsa hwchsa chwhsa hcwhsa wchhsa cwhhsa whchsa hwchsa chwhsa hcwhsa whhcsa hwhcsa whhcsa hwhcsa hhwcsa hhwcsa chhwsa hchwsa chhwsa hchwsa hhcwsa hhcwsa sachhw aschhw scahhw csahhw acshhw cashhw sahchw ashchw shachw hsachw ahschw haschw schahw cshahw shcahw hscahw chsahw hcsahw achshw cahshw ahcshw hacshw chashw hcashw sachhw aschhw scahhw csahhw acshhw cashhw sahchw ashchw shachw hsachw ahschw haschw schahw cshahw shcahw hscahw chsahw hcsahw achshw cahshw ahcshw hacshw chashw hcashw sahhcw ashhcw shahcw hsahcw ahshcw hashcw sahhcw ashhcw shahcw hsahcw ahshcw hashcw shhacw hshacw shhacw hshacw hhsacw hhsacw ahhscw hahscw ahhscw hahscw hhascw hhascw schhaw cshhaw shchaw hschaw chshaw hcshaw schhaw cshhaw shchaw hschaw chshaw hcshaw shhcaw hshcaw shhcaw hshcaw hhscaw hhscaw chhsaw hchsaw chhsaw hchsaw hhcsaw hhcsaw achhsw cahhsw ahchsw hachsw chahsw hcahsw achhsw cahhsw ahchsw hachsw chahsw hcahsw ahhcsw hahcsw ahhcsw hahcsw hhacsw hhacsw chhasw hchasw chhasw hchasw hhcasw hhcasw wachhs awchhs wcahhs cwahhs acwhhs cawhhs wahchs awhchs whachs hwachs ahwchs hawchs wchahs cwhahs whcahs hwcahs chwahs hcwahs achwhs cahwhs ahcwhs hacwhs chawhs hcawhs wachhs awchhs wcahhs cwahhs acwhhs cawhhs wahchs awhchs whachs hwachs ahwchs hawchs wchahs cwhahs whcahs hwcahs chwahs hcwahs achwhs cahwhs ahcwhs hacwhs chawhs hcawhs wahhcs awhhcs whahcs hwahcs ahwhcs hawhcs wahhcs awhhcs whahcs hwahcs ahwhcs hawhcs whhacs hwhacs whhacs hwhacs hhwacs hhwacs ahhwcs hahwcs ahhwcs hahwcs hhawcs hhawcs wchhas cwhhas whchas hwchas chwhas hcwhas wchhas cwhhas whchas hwchas chwhas hcwhas whhcas hwhcas whhcas hwhcas hhwcas hhwcas chhwas hchwas chhwas hchwas hhcwas hhcwas achhws cahhws ahchws hachws chahws hcahws achhws cahhws ahchws hachws chahws hcahws ahhcws hahcws ahhcws hahcws hhacws hhacws chhaws hchaws chhaws hchaws hhcaws hhcaws
Note: these 'words' (valid or invalid) are all the permutations of the word swachh. These words are obtained by scrambling the letters in swachh.