lumens ulmens lmuens mluens umlens mulens luemns ulemns leumns elumns uelmns eulmns lmeuns mleuns lemuns elmuns meluns emluns umelns muelns uemlns eumlns meulns emulns lumnes ulmnes lmunes mlunes umlnes mulnes lunmes ulnmes lnumes nlumes unlmes nulmes lmnues mlnues lnmues nlmues mnlues nmlues umnles munles unmles numles mnules nmules luenms ulenms leunms elunms uelnms eulnms lunems ulnems lnuems nluems unlems nulems lenums elnums lneums nleums enlums nelums uenlms eunlms unelms nuelms enulms neulms lmenus mlenus lemnus elmnus melnus emlnus lmneus mlneus lnmeus nlmeus mnleus nmleus lenmus elnmus lnemus nlemus enlmus nelmus menlus emnlus mnelus nmelus enmlus nemlus umenls muenls uemnls eumnls meunls emunls umnels munels unmels numels mnuels nmuels uenmls eunmls unemls nuemls enumls neumls menuls emnuls mneuls nmeuls enmuls nemuls lumesn ulmesn lmuesn mluesn umlesn mulesn luemsn ulemsn leumsn elumsn uelmsn eulmsn lmeusn mleusn lemusn elmusn melusn emlusn umelsn muelsn uemlsn eumlsn meulsn emulsn lumsen ulmsen lmusen mlusen umlsen mulsen lusmen ulsmen lsumen slumen uslmen sulmen lmsuen mlsuen lsmuen slmuen msluen smluen umslen muslen usmlen sumlen msulen smulen luesmn ulesmn leusmn elusmn uelsmn eulsmn lusemn ulsemn lsuemn sluemn uslemn sulemn lesumn elsumn lseumn sleumn eslumn selumn ueslmn euslmn uselmn suelmn esulmn seulmn lmesun mlesun lemsun elmsun melsun emlsun lmseun mlseun lsmeun slmeun msleun smleun lesmun elsmun lsemun slemun eslmun selmun meslun emslun mselun smelun esmlun semlun umesln muesln uemsln eumsln meusln emusln umseln museln usmeln sumeln msueln smueln uesmln eusmln usemln suemln esumln seumln mesuln emsuln mseuln smeuln esmuln semuln lumnse ulmnse lmunse mlunse umlnse mulnse lunmse ulnmse lnumse nlumse unlmse nulmse lmnuse mlnuse lnmuse nlmuse mnluse nmluse umnlse munlse unmlse numlse mnulse nmulse lumsne ulmsne lmusne mlusne umlsne mulsne lusmne ulsmne lsumne slumne uslmne sulmne lmsune mlsune lsmune slmune mslune smlune umslne muslne usmlne sumlne msulne smulne lunsme ulnsme lnusme nlusme unlsme nulsme lusnme ulsnme lsunme slunme uslnme sulnme lnsume nlsume lsnume slnume nslume snlume unslme nuslme usnlme sunlme nsulme snulme lmnsue mlnsue lnmsue nlmsue mnlsue nmlsue lmsnue mlsnue lsmnue slmnue mslnue smlnue lnsmue nlsmue lsnmue slnmue nslmue snlmue mnslue nmslue msnlue smnlue nsmlue snmlue umnsle munsle unmsle numsle mnusle nmusle umsnle musnle usmnle sumnle msunle smunle unsmle nusmle usnmle sunmle nsumle snumle mnsule nmsule msnule smnule nsmule snmule luensm ulensm leunsm elunsm uelnsm eulnsm lunesm ulnesm lnuesm nluesm unlesm nulesm lenusm elnusm lneusm nleusm enlusm nelusm uenlsm eunlsm unelsm nuelsm enulsm neulsm luesnm ulesnm leusnm elusnm uelsnm eulsnm lusenm ulsenm lsuenm sluenm uslenm sulenm lesunm elsunm lseunm sleunm eslunm selunm ueslnm euslnm uselnm suelnm esulnm seulnm lunsem ulnsem lnusem nlusem unlsem nulsem lusnem ulsnem lsunem slunem uslnem sulnem lnsuem nlsuem lsnuem slnuem nsluem snluem unslem nuslem usnlem sunlem nsulem snulem lensum elnsum lnesum nlesum enlsum nelsum lesnum elsnum lsenum slenum eslnum selnum lnseum nlseum lsneum slneum nsleum snleum enslum neslum esnlum senlum nselum snelum uenslm eunslm uneslm nueslm enuslm neuslm uesnlm eusnlm usenlm suenlm esunlm seunlm unselm nuselm usnelm sunelm nsuelm snuelm ensulm nesulm esnulm senulm nseulm sneulm lmensu mlensu lemnsu elmnsu melnsu emlnsu lmnesu mlnesu lnmesu nlmesu mnlesu nmlesu lenmsu elnmsu lnemsu nlemsu enlmsu nelmsu menlsu emnlsu mnelsu nmelsu enmlsu nemlsu lmesnu mlesnu lemsnu elmsnu melsnu emlsnu lmsenu mlsenu lsmenu slmenu mslenu smlenu lesmnu elsmnu lsemnu slemnu eslmnu selmnu meslnu emslnu mselnu smelnu esmlnu semlnu lmnseu mlnseu lnmseu nlmseu mnlseu nmlseu lmsneu mlsneu lsmneu slmneu mslneu smlneu lnsmeu nlsmeu lsnmeu slnmeu nslmeu snlmeu mnsleu nmsleu msnleu smnleu nsmleu snmleu lensmu elnsmu lnesmu nlesmu enlsmu nelsmu lesnmu elsnmu lsenmu slenmu eslnmu selnmu lnsemu nlsemu lsnemu slnemu nslemu snlemu enslmu neslmu esnlmu senlmu nselmu snelmu menslu emnslu mneslu nmeslu enmslu nemslu mesnlu emsnlu msenlu smenlu esmnlu semnlu mnselu nmselu msnelu smnelu nsmelu snmelu ensmlu nesmlu esnmlu senmlu nsemlu snemlu umensl muensl uemnsl eumnsl meunsl emunsl umnesl munesl unmesl numesl mnuesl nmuesl uenmsl eunmsl unemsl nuemsl enumsl neumsl menusl emnusl mneusl nmeusl enmusl nemusl umesnl muesnl uemsnl eumsnl meusnl emusnl umsenl musenl usmenl sumenl msuenl smuenl uesmnl eusmnl usemnl suemnl esumnl seumnl mesunl emsunl mseunl smeunl esmunl semunl umnsel munsel unmsel numsel mnusel nmusel umsnel musnel usmnel sumnel msunel smunel unsmel nusmel usnmel sunmel nsumel snumel mnsuel nmsuel msnuel smnuel nsmuel snmuel uensml eunsml unesml nuesml enusml neusml uesnml eusnml usenml suenml esunml seunml unseml nuseml usneml suneml nsueml snueml ensuml nesuml esnuml senuml nseuml sneuml mensul emnsul mnesul nmesul enmsul nemsul mesnul emsnul msenul smenul esmnul semnul mnseul nmseul msneul smneul nsmeul snmeul ensmul nesmul esnmul senmul nsemul snemul
Note: these 'words' (valid or invalid) are all the permutations of the word lumens. These words are obtained by scrambling the letters in lumens.