unbolt nubolt ubnolt bunolt nbuolt bnuolt unoblt nuoblt uonblt ounblt noublt onublt ubonlt buonlt uobnlt oubnlt bounlt obunlt nboult bnoult nobult onbult bonult obnult unblot nublot ubnlot bunlot nbulot bnulot unlbot nulbot ulnbot lunbot nlubot lnubot ublnot bulnot ulbnot lubnot blunot lbunot nbluot bnluot nlbuot lnbuot blnuot lbnuot unolbt nuolbt uonlbt ounlbt noulbt onulbt unlobt nulobt ulnobt lunobt nluobt lnuobt uolnbt oulnbt ulonbt luonbt olunbt lounbt nolubt onlubt nloubt lnoubt olnubt lonubt ubolnt buolnt uoblnt oublnt boulnt obulnt ublont bulont ulbont lubont bluont lbuont uolbnt oulbnt ulobnt luobnt olubnt loubnt bolunt oblunt blount lbount olbunt lobunt nbolut bnolut noblut onblut bonlut obnlut nblout bnlout nlbout lnbout blnout lbnout nolbut onlbut nlobut lnobut olnbut lonbut bolnut oblnut blonut lbonut olbnut lobnut unbotl nubotl ubnotl bunotl nbuotl bnuotl unobtl nuobtl uonbtl ounbtl noubtl onubtl ubontl buontl uobntl oubntl bountl obuntl nboutl bnoutl nobutl onbutl bonutl obnutl unbtol nubtol ubntol buntol nbutol bnutol untbol nutbol utnbol tunbol ntubol tnubol ubtnol butnol utbnol tubnol btunol tbunol nbtuol bntuol ntbuol tnbuol btnuol tbnuol unotbl nuotbl uontbl ountbl noutbl onutbl untobl nutobl utnobl tunobl ntuobl tnuobl uotnbl outnbl utonbl tuonbl otunbl tounbl notubl ontubl ntoubl tnoubl otnubl tonubl ubotnl buotnl uobtnl oubtnl boutnl obutnl ubtonl butonl utbonl tubonl btuonl tbuonl uotbnl outbnl utobnl tuobnl otubnl toubnl botunl obtunl btounl tbounl otbunl tobunl nbotul bnotul nobtul onbtul bontul obntul nbtoul bntoul ntboul tnboul btnoul tbnoul notbul ontbul ntobul tnobul otnbul tonbul botnul obtnul btonul tbonul otbnul tobnul unblto nublto ubnlto bunlto nbulto bnulto unlbto nulbto ulnbto lunbto nlubto lnubto ublnto bulnto ulbnto lubnto blunto lbunto nbluto bnluto nlbuto lnbuto blnuto lbnuto unbtlo nubtlo ubntlo buntlo nbutlo bnutlo untblo nutblo utnblo tunblo ntublo tnublo ubtnlo butnlo utbnlo tubnlo btunlo tbunlo nbtulo bntulo ntbulo tnbulo btnulo tbnulo unltbo nultbo ulntbo luntbo nlutbo lnutbo untlbo nutlbo utnlbo tunlbo ntulbo tnulbo ultnbo lutnbo utlnbo tulnbo ltunbo tlunbo nltubo lntubo ntlubo tnlubo ltnubo tlnubo ubltno bultno ulbtno lubtno blutno lbutno ubtlno butlno utblno tublno btulno tbulno ultbno lutbno utlbno tulbno ltubno tlubno bltuno lbtuno btluno tbluno ltbuno tlbuno nbltuo bnltuo nlbtuo lnbtuo blntuo lbntuo nbtluo bntluo ntbluo tnbluo btnluo tbnluo nltbuo lntbuo ntlbuo tnlbuo ltnbuo tlnbuo bltnuo lbtnuo btlnuo tblnuo ltbnuo tlbnuo unoltb nuoltb uonltb ounltb noultb onultb unlotb nulotb ulnotb lunotb nluotb lnuotb uolntb oulntb ulontb luontb oluntb lountb nolutb onlutb nloutb lnoutb olnutb lonutb unotlb nuotlb uontlb ountlb noutlb onutlb untolb nutolb utnolb tunolb ntuolb tnuolb uotnlb outnlb utonlb tuonlb otunlb tounlb notulb ontulb ntoulb tnoulb otnulb tonulb unltob nultob ulntob luntob nlutob lnutob untlob nutlob utnlob tunlob ntulob tnulob ultnob lutnob utlnob tulnob ltunob tlunob nltuob lntuob ntluob tnluob ltnuob tlnuob uoltnb oultnb ulotnb luotnb olutnb loutnb uotlnb outlnb utolnb tuolnb otulnb toulnb ultonb lutonb utlonb tulonb ltuonb tluonb oltunb lotunb otlunb tolunb ltounb tlounb noltub onltub nlotub lnotub olntub lontub notlub ontlub ntolub tnolub otnlub tonlub nltoub lntoub ntloub tnloub ltnoub tlnoub oltnub lotnub otlnub tolnub ltonub tlonub uboltn buoltn uobltn oubltn boultn obultn ublotn bulotn ulbotn lubotn bluotn lbuotn uolbtn oulbtn ulobtn luobtn olubtn loubtn bolutn oblutn bloutn lboutn olbutn lobutn ubotln buotln uobtln oubtln boutln obutln ubtoln butoln utboln tuboln btuoln tbuoln uotbln outbln utobln tuobln otubln toubln botuln obtuln btouln tbouln otbuln tobuln ublton bulton ulbton lubton bluton lbuton ubtlon butlon utblon tublon btulon tbulon ultbon lutbon utlbon tulbon ltubon tlubon bltuon lbtuon btluon tbluon ltbuon tlbuon uoltbn oultbn ulotbn luotbn olutbn loutbn uotlbn outlbn utolbn tuolbn otulbn toulbn ultobn lutobn utlobn tulobn ltuobn tluobn oltubn lotubn otlubn tolubn ltoubn tloubn boltun obltun blotun lbotun olbtun lobtun botlun obtlun btolun tbolun otblun toblun bltoun lbtoun btloun tbloun ltboun tlboun oltbun lotbun otlbun tolbun ltobun tlobun nboltu bnoltu nobltu onbltu bonltu obnltu nblotu bnlotu nlbotu lnbotu blnotu lbnotu nolbtu onlbtu nlobtu lnobtu olnbtu lonbtu bolntu oblntu blontu lbontu olbntu lobntu nbotlu bnotlu nobtlu onbtlu bontlu obntlu nbtolu bntolu ntbolu tnbolu btnolu tbnolu notblu ontblu ntoblu tnoblu otnblu tonblu botnlu obtnlu btonlu tbonlu otbnlu tobnlu nbltou bnltou nlbtou lnbtou blntou lbntou nbtlou bntlou ntblou tnblou btnlou tbnlou nltbou lntbou ntlbou tnlbou ltnbou tlnbou bltnou lbtnou btlnou tblnou ltbnou tlbnou noltbu onltbu nlotbu lnotbu olntbu lontbu notlbu ontlbu ntolbu tnolbu otnlbu tonlbu nltobu lntobu ntlobu tnlobu ltnobu tlnobu oltnbu lotnbu otlnbu tolnbu ltonbu tlonbu boltnu obltnu blotnu lbotnu olbtnu lobtnu botlnu obtlnu btolnu tbolnu otblnu toblnu bltonu lbtonu btlonu tblonu ltbonu tlbonu oltbnu lotbnu otlbnu tolbnu ltobnu tlobnu
Note: these 'words' (valid or invalid) are all the permutations of the word unbolt. These words are obtained by scrambling the letters in unbolt.