ummahs mumahs ummahs mumahs mmuahs mmuahs umamhs muamhs uammhs aummhs maumhs amumhs umamhs muamhs uammhs aummhs maumhs amumhs mmauhs mmauhs mamuhs ammuhs mamuhs ammuhs ummhas mumhas ummhas mumhas mmuhas mmuhas umhmas muhmas uhmmas hummas mhumas hmumas umhmas muhmas uhmmas hummas mhumas hmumas mmhuas mmhuas mhmuas hmmuas mhmuas hmmuas umahms muahms uamhms aumhms mauhms amuhms umhams muhams uhmams humams mhuams hmuams uahmms auhmms uhamms huamms ahumms haumms mahums amhums mhaums hmaums ahmums hamums umahms muahms uamhms aumhms mauhms amuhms umhams muhams uhmams humams mhuams hmuams uahmms auhmms uhamms huamms ahumms haumms mahums amhums mhaums hmaums ahmums hamums mmahus mmahus mamhus ammhus mamhus ammhus mmhaus mmhaus mhmaus hmmaus mhmaus hmmaus mahmus amhmus mhamus hmamus ahmmus hammus mahmus amhmus mhamus hmamus ahmmus hammus ummash mumash ummash mumash mmuash mmuash umamsh muamsh uammsh aummsh maumsh amumsh umamsh muamsh uammsh aummsh maumsh amumsh mmaush mmaush mamush ammush mamush ammush ummsah mumsah ummsah mumsah mmusah mmusah umsmah musmah usmmah summah msumah smumah umsmah musmah usmmah summah msumah smumah mmsuah mmsuah msmuah smmuah msmuah smmuah umasmh muasmh uamsmh aumsmh mausmh amusmh umsamh musamh usmamh sumamh msuamh smuamh uasmmh ausmmh usammh suammh asummh saummh masumh amsumh msaumh smaumh asmumh samumh umasmh muasmh uamsmh aumsmh mausmh amusmh umsamh musamh usmamh sumamh msuamh smuamh uasmmh ausmmh usammh suammh asummh saummh masumh amsumh msaumh smaumh asmumh samumh mmasuh mmasuh mamsuh ammsuh mamsuh ammsuh mmsauh mmsauh msmauh smmauh msmauh smmauh masmuh amsmuh msamuh smamuh asmmuh sammuh masmuh amsmuh msamuh smamuh asmmuh sammuh ummhsa mumhsa ummhsa mumhsa mmuhsa mmuhsa umhmsa muhmsa uhmmsa hummsa mhumsa hmumsa umhmsa muhmsa uhmmsa hummsa mhumsa hmumsa mmhusa mmhusa mhmusa hmmusa mhmusa hmmusa ummsha mumsha ummsha mumsha mmusha mmusha umsmha musmha usmmha summha msumha smumha umsmha musmha usmmha summha msumha smumha mmsuha mmsuha msmuha smmuha msmuha smmuha umhsma muhsma uhmsma humsma mhusma hmusma umshma mushma usmhma sumhma msuhma smuhma uhsmma husmma ushmma suhmma hsumma shumma mhsuma hmsuma mshuma smhuma hsmuma shmuma umhsma muhsma uhmsma humsma mhusma hmusma umshma mushma usmhma sumhma msuhma smuhma uhsmma husmma ushmma suhmma hsumma shumma mhsuma hmsuma mshuma smhuma hsmuma shmuma mmhsua mmhsua mhmsua hmmsua mhmsua hmmsua mmshua mmshua msmhua smmhua msmhua smmhua mhsmua hmsmua mshmua smhmua hsmmua shmmua mhsmua hmsmua mshmua smhmua hsmmua shmmua umahsm muahsm uamhsm aumhsm mauhsm amuhsm umhasm muhasm uhmasm humasm mhuasm hmuasm uahmsm auhmsm uhamsm huamsm ahumsm haumsm mahusm amhusm mhausm hmausm ahmusm hamusm umashm muashm uamshm aumshm maushm amushm umsahm musahm usmahm sumahm msuahm smuahm uasmhm ausmhm usamhm suamhm asumhm saumhm masuhm amsuhm msauhm smauhm asmuhm samuhm umhsam muhsam uhmsam humsam mhusam hmusam umsham musham usmham sumham msuham smuham uhsmam husmam ushmam suhmam hsumam shumam mhsuam hmsuam mshuam smhuam hsmuam shmuam uahsmm auhsmm uhasmm huasmm ahusmm hausmm uashmm aushmm usahmm suahmm asuhmm sauhmm uhsamm husamm ushamm suhamm hsuamm shuamm ahsumm hasumm ashumm sahumm hsaumm shaumm mahsum amhsum mhasum hmasum ahmsum hamsum mashum amshum msahum smahum asmhum samhum mhsaum hmsaum mshaum smhaum hsmaum shmaum ahsmum hasmum ashmum sahmum hsamum shamum umahsm muahsm uamhsm aumhsm mauhsm amuhsm umhasm muhasm uhmasm humasm mhuasm hmuasm uahmsm auhmsm uhamsm huamsm ahumsm haumsm mahusm amhusm mhausm hmausm ahmusm hamusm umashm muashm uamshm aumshm maushm amushm umsahm musahm usmahm sumahm msuahm smuahm uasmhm ausmhm usamhm suamhm asumhm saumhm masuhm amsuhm msauhm smauhm asmuhm samuhm umhsam muhsam uhmsam humsam mhusam hmusam umsham musham usmham sumham msuham smuham uhsmam husmam ushmam suhmam hsumam shumam mhsuam hmsuam mshuam smhuam hsmuam shmuam uahsmm auhsmm uhasmm huasmm ahusmm hausmm uashmm aushmm usahmm suahmm asuhmm sauhmm uhsamm husamm ushamm suhamm hsuamm shuamm ahsumm hasumm ashumm sahumm hsaumm shaumm mahsum amhsum mhasum hmasum ahmsum hamsum mashum amshum msahum smahum asmhum samhum mhsaum hmsaum mshaum smhaum hsmaum shmaum ahsmum hasmum ashmum sahmum hsamum shamum mmahsu mmahsu mamhsu ammhsu mamhsu ammhsu mmhasu mmhasu mhmasu hmmasu mhmasu hmmasu mahmsu amhmsu mhamsu hmamsu ahmmsu hammsu mahmsu amhmsu mhamsu hmamsu ahmmsu hammsu mmashu mmashu mamshu ammshu mamshu ammshu mmsahu mmsahu msmahu smmahu msmahu smmahu masmhu amsmhu msamhu smamhu asmmhu sammhu masmhu amsmhu msamhu smamhu asmmhu sammhu mmhsau mmhsau mhmsau hmmsau mhmsau hmmsau mmshau mmshau msmhau smmhau msmhau smmhau mhsmau hmsmau mshmau smhmau hsmmau shmmau mhsmau hmsmau mshmau smhmau hsmmau shmmau mahsmu amhsmu mhasmu hmasmu ahmsmu hamsmu mashmu amshmu msahmu smahmu asmhmu samhmu mhsamu hmsamu mshamu smhamu hsmamu shmamu ahsmmu hasmmu ashmmu sahmmu hsammu shammu mahsmu amhsmu mhasmu hmasmu ahmsmu hamsmu mashmu amshmu msahmu smahmu asmhmu samhmu mhsamu hmsamu mshamu smhamu hsmamu shmamu ahsmmu hasmmu ashmmu sahmmu hsammu shammu
Note: these 'words' (valid or invalid) are all the permutations of the word ummahs. These words are obtained by scrambling the letters in ummahs.