custos ucstos csutos scutos usctos suctos cutsos uctsos ctusos tcusos utcsos tucsos cstuos sctuos ctsuos tcsuos stcuos tscuos ustcos sutcos utscos tuscos stucos tsucos cusots ucsots csuots scuots uscots sucots cuosts ucosts cousts ocusts uocsts oucsts csouts scouts cosuts ocsuts socuts oscuts usocts suocts uoscts ouscts soucts osucts cutoss uctoss ctuoss tcuoss utcoss tucoss cuotss ucotss coutss ocutss uoctss ouctss ctouss tcouss cotuss octuss tocuss otcuss utocss tuocss uotcss outcss toucss otucss cstous sctous ctsous tcsous stcous tscous csotus scotus costus ocstus soctus osctus ctosus tcosus cotsus octsus tocsus otcsus stocus tsocus sotcus ostcus toscus otscus ustocs sutocs utsocs tusocs stuocs tsuocs usotcs suotcs uostcs oustcs soutcs osutcs utoscs tuoscs uotscs outscs touscs otuscs stoucs tsoucs sotucs ostucs tosucs otsucs custso ucstso csutso scutso usctso suctso cutsso uctsso ctusso tcusso utcsso tucsso cstuso sctuso ctsuso tcsuso stcuso tscuso ustcso sutcso utscso tuscso stucso tsucso cussto ucssto csusto scusto uscsto sucsto cussto ucssto csusto scusto uscsto sucsto cssuto scsuto cssuto scsuto sscuto sscuto usscto suscto usscto suscto ssucto ssucto cutsso uctsso ctusso tcusso utcsso tucsso custso ucstso csutso scutso usctso suctso ctsuso tcsuso cstuso sctuso tscuso stcuso utscso tuscso ustcso sutcso tsucso stucso cstsuo sctsuo ctssuo tcssuo stcsuo tscsuo csstuo scstuo csstuo scstuo ssctuo ssctuo ctssuo tcssuo cstsuo sctsuo tscsuo stcsuo stscuo tsscuo sstcuo sstcuo tsscuo stscuo ustsco sutsco utssco tussco stusco tsusco usstco sustco usstco sustco ssutco ssutco utssco tussco ustsco sutsco tsusco stusco stsuco tssuco sstuco sstuco tssuco stsuco cusost ucsost csuost scuost uscost sucost cuosst ucosst cousst ocusst uocsst oucsst csoust scoust cosust ocsust socust oscust usocst suocst uoscst ouscst soucst osucst cussot ucssot csusot scusot uscsot sucsot cussot ucssot csusot scusot uscsot sucsot cssuot scsuot cssuot scsuot sscuot sscuot usscot suscot usscot suscot ssucot ssucot cuosst ucosst cousst ocusst uocsst oucsst cusost ucsost csuost scuost uscost sucost cosust ocsust csoust scoust oscust socust uoscst ouscst usocst suocst osucst soucst csosut scosut cossut ocssut socsut oscsut cssout scsout cssout scsout sscout sscout cossut ocssut csosut scosut oscsut socsut soscut osscut ssocut ssocut osscut soscut usosct suosct uossct oussct sousct osusct ussoct susoct ussoct susoct ssuoct ssuoct uossct oussct usosct suosct osusct sousct sosuct ossuct ssouct ssouct ossuct sosuct cutoss uctoss ctuoss tcuoss utcoss tucoss cuotss ucotss coutss ocutss uoctss ouctss ctouss tcouss cotuss octuss tocuss otcuss utocss tuocss uotcss outcss toucss otucss cutsos uctsos ctusos tcusos utcsos tucsos custos ucstos csutos scutos usctos suctos ctsuos tcsuos cstuos sctuos tscuos stcuos utscos tuscos ustcos sutcos tsucos stucos cuosts ucosts cousts ocusts uocsts oucsts cusots ucsots csuots scuots uscots sucots cosuts ocsuts csouts scouts oscuts socuts uoscts ouscts usocts suocts osucts soucts ctosus tcosus cotsus octsus tocsus otcsus ctsous tcsous cstous sctous tscous stcous costus ocstus csotus scotus osctus soctus toscus otscus tsocus stocus ostcus sotcus utoscs tuoscs uotscs outscs touscs otuscs utsocs tusocs ustocs sutocs tsuocs stuocs uostcs oustcs usotcs suotcs osutcs soutcs tosucs otsucs tsoucs stoucs ostucs sotucs cstosu sctosu ctsosu tcsosu stcosu tscosu csotsu scotsu costsu ocstsu soctsu osctsu ctossu tcossu cotssu octssu tocssu otcssu stocsu tsocsu sotcsu ostcsu toscsu otscsu cstsou sctsou ctssou tcssou stcsou tscsou csstou scstou csstou scstou ssctou ssctou ctssou tcssou cstsou sctsou tscsou stcsou stscou tsscou sstcou sstcou tsscou stscou csostu scostu cosstu ocsstu socstu oscstu cssotu scsotu cssotu scsotu sscotu sscotu cosstu ocsstu csostu scostu oscstu socstu sosctu ossctu ssoctu ssoctu ossctu sosctu ctossu tcossu cotssu octssu tocssu otcssu ctsosu tcsosu cstosu sctosu tscosu stcosu costsu ocstsu csotsu scotsu osctsu soctsu toscsu otscsu tsocsu stocsu ostcsu sotcsu stoscu tsoscu sotscu ostscu tosscu otsscu stsocu tssocu sstocu sstocu tssocu stsocu sostcu osstcu ssotcu ssotcu osstcu sostcu tosscu otsscu tsoscu stoscu ostscu sotscu ustosc sutosc utsosc tusosc stuosc tsuosc usotsc suotsc uostsc oustsc soutsc osutsc utossc tuossc uotssc outssc toussc otussc stousc tsousc sotusc ostusc tosusc otsusc ustsoc sutsoc utssoc tussoc stusoc tsusoc usstoc sustoc usstoc sustoc ssutoc ssutoc utssoc tussoc ustsoc sutsoc tsusoc stusoc stsuoc tssuoc sstuoc sstuoc tssuoc stsuoc usostc suostc uosstc ousstc soustc osustc ussotc susotc ussotc susotc ssuotc ssuotc uosstc ousstc usostc suostc osustc soustc sosutc ossutc ssoutc ssoutc ossutc sosutc utossc tuossc uotssc outssc toussc otussc utsosc tusosc ustosc sutosc tsuosc stuosc uostsc oustsc usotsc suotsc osutsc soutsc tosusc otsusc tsousc stousc ostusc sotusc stosuc tsosuc sotsuc ostsuc tossuc otssuc stsouc tssouc sstouc sstouc tssouc stsouc sostuc osstuc ssotuc ssotuc osstuc sostuc tossuc otssuc tsosuc stosuc ostsuc sotsuc
Note: these 'words' (valid or invalid) are all the permutations of the word custos. These words are obtained by scrambling the letters in custos.