potend optend ptoend tpoend otpend topend poetnd opetnd peotnd epotnd oeptnd eoptnd pteond tpeond petond eptond tepond etpond otepnd toepnd oetpnd eotpnd teopnd etopnd potned optned ptoned tponed otpned topned ponted opnted pnoted npoted onpted nopted ptnoed tpnoed pntoed nptoed tnpoed ntpoed otnped tonped ontped notped tnoped ntoped poentd opentd peontd epontd oepntd eopntd ponetd opnetd pnoetd npoetd onpetd nopetd penotd epnotd pneotd npeotd enpotd nepotd oenptd eonptd oneptd noeptd enoptd neoptd ptenod tpenod petnod eptnod tepnod etpnod ptneod tpneod pnteod npteod tnpeod ntpeod pentod epntod pnetod npetod enptod neptod tenpod etnpod tnepod ntepod entpod netpod otenpd toenpd oetnpd eotnpd teonpd etonpd otnepd tonepd ontepd notepd tnoepd ntoepd oentpd eontpd onetpd noetpd enotpd neotpd tenopd etnopd tneopd nteopd entopd netopd potedn optedn ptoedn tpoedn otpedn topedn poetdn opetdn peotdn epotdn oeptdn eoptdn pteodn tpeodn petodn eptodn tepodn etpodn otepdn toepdn oetpdn eotpdn teopdn etopdn potden optden ptoden tpoden otpden topden podten opdten pdoten dpoten odpten dopten ptdoen tpdoen pdtoen dptoen tdpoen dtpoen otdpen todpen odtpen dotpen tdopen dtopen poedtn opedtn peodtn epodtn oepdtn eopdtn podetn opdetn pdoetn dpoetn odpetn dopetn pedotn epdotn pdeotn dpeotn edpotn depotn oedptn eodptn odeptn doeptn edoptn deoptn ptedon tpedon petdon eptdon tepdon etpdon ptdeon tpdeon pdteon dpteon tdpeon dtpeon pedton epdton pdeton dpeton edpton depton tedpon etdpon tdepon dtepon edtpon detpon otedpn toedpn oetdpn eotdpn teodpn etodpn otdepn todepn odtepn dotepn tdoepn dtoepn oedtpn eodtpn odetpn doetpn edotpn deotpn tedopn etdopn tdeopn dteopn edtopn detopn potnde optnde ptonde tponde otpnde topnde pontde opntde pnotde npotde onptde noptde ptnode tpnode pntode nptode tnpode ntpode otnpde tonpde ontpde notpde tnopde ntopde potdne optdne ptodne tpodne otpdne topdne podtne opdtne pdotne dpotne odptne doptne ptdone tpdone pdtone dptone tdpone dtpone otdpne todpne odtpne dotpne tdopne dtopne pondte opndte pnodte npodte onpdte nopdte podnte opdnte pdonte dponte odpnte dopnte pndote npdote pdnote dpnote ndpote dnpote ondpte nodpte odnpte donpte ndopte dnopte ptndoe tpndoe pntdoe nptdoe tnpdoe ntpdoe ptdnoe tpdnoe pdtnoe dptnoe tdpnoe dtpnoe pndtoe npdtoe pdntoe dpntoe ndptoe dnptoe tndpoe ntdpoe tdnpoe dtnpoe ndtpoe dntpoe otndpe tondpe ontdpe notdpe tnodpe ntodpe otdnpe todnpe odtnpe dotnpe tdonpe dtonpe ondtpe nodtpe odntpe dontpe ndotpe dnotpe tndope ntdope tdnope dtnope ndtope dntope poendt opendt peondt epondt oepndt eopndt ponedt opnedt pnoedt npoedt onpedt nopedt penodt epnodt pneodt npeodt enpodt nepodt oenpdt eonpdt onepdt noepdt enopdt neopdt poednt opednt peodnt epodnt oepdnt eopdnt podent opdent pdoent dpoent odpent dopent pedont epdont pdeont dpeont edpont depont oedpnt eodpnt odepnt doepnt edopnt deopnt pondet opndet pnodet npodet onpdet nopdet podnet opdnet pdonet dponet odpnet dopnet pndoet npdoet pdnoet dpnoet ndpoet dnpoet ondpet nodpet odnpet donpet ndopet dnopet pendot epndot pnedot npedot enpdot nepdot pednot epdnot pdenot dpenot edpnot depnot pndeot npdeot pdneot dpneot ndpeot dnpeot endpot nedpot ednpot denpot ndepot dnepot oendpt eondpt onedpt noedpt enodpt neodpt oednpt eodnpt odenpt doenpt edonpt deonpt ondept nodept odnept donept ndoept dnoept endopt nedopt ednopt denopt ndeopt dneopt ptendo tpendo petndo eptndo tepndo etpndo ptnedo tpnedo pntedo nptedo tnpedo ntpedo pentdo epntdo pnetdo npetdo enptdo neptdo tenpdo etnpdo tnepdo ntepdo entpdo netpdo ptedno tpedno petdno eptdno tepdno etpdno ptdeno tpdeno pdteno dpteno tdpeno dtpeno pedtno epdtno pdetno dpetno edptno deptno tedpno etdpno tdepno dtepno edtpno detpno ptndeo tpndeo pntdeo nptdeo tnpdeo ntpdeo ptdneo tpdneo pdtneo dptneo tdpneo dtpneo pndteo npdteo pdnteo dpnteo ndpteo dnpteo tndpeo ntdpeo tdnpeo dtnpeo ndtpeo dntpeo pendto epndto pnedto npedto enpdto nepdto pednto epdnto pdento dpento edpnto depnto pndeto npdeto pdneto dpneto ndpeto dnpeto endpto nedpto ednpto denpto ndepto dnepto tendpo etndpo tnedpo ntedpo entdpo netdpo tednpo etdnpo tdenpo dtenpo edtnpo detnpo tndepo ntdepo tdnepo dtnepo ndtepo dntepo endtpo nedtpo edntpo dentpo ndetpo dnetpo otendp toendp oetndp eotndp teondp etondp otnedp tonedp ontedp notedp tnoedp ntoedp oentdp eontdp onetdp noetdp enotdp neotdp tenodp etnodp tneodp nteodp entodp netodp otednp toednp oetdnp eotdnp teodnp etodnp otdenp todenp odtenp dotenp tdoenp dtoenp oedtnp eodtnp odetnp doetnp edotnp deotnp tedonp etdonp tdeonp dteonp edtonp detonp otndep tondep ontdep notdep tnodep ntodep otdnep todnep odtnep dotnep tdonep dtonep ondtep nodtep odntep dontep ndotep dnotep tndoep ntdoep tdnoep dtnoep ndtoep dntoep oendtp eondtp onedtp noedtp enodtp neodtp oedntp eodntp odentp doentp edontp deontp ondetp nodetp odnetp donetp ndoetp dnoetp endotp nedotp ednotp denotp ndeotp dneotp tendop etndop tnedop ntedop entdop netdop tednop etdnop tdenop dtenop edtnop detnop tndeop ntdeop tdneop dtneop ndteop dnteop endtop nedtop edntop dentop ndetop dnetop
Note: these 'words' (valid or invalid) are all the permutations of the word potend. These words are obtained by scrambling the letters in potend.