dropan rdopan dorpan odrpan rodpan ordpan drpoan rdpoan dproan pdroan rpdoan prdoan dopran odpran dporan pdoran opdran podran ropdan orpdan rpodan prodan oprdan pordan droapn rdoapn dorapn odrapn rodapn ordapn draopn rdaopn daropn adropn radopn ardopn doarpn odarpn daorpn adorpn oadrpn aodrpn roadpn oradpn raodpn arodpn oardpn aordpn drpaon rdpaon dpraon pdraon rpdaon prdaon drapon rdapon darpon adrpon radpon ardpon dparon pdaron dapron adpron padron apdron rpadon pradon rapdon arpdon pardon aprdon doparn odparn dpoarn pdoarn opdarn podarn doaprn odaprn daoprn adoprn oadprn aodprn dpaorn pdaorn daporn adporn padorn apdorn opadrn poadrn oapdrn aopdrn paodrn apodrn ropadn orpadn rpoadn proadn opradn poradn roapdn orapdn raopdn aropdn oarpdn aorpdn rpaodn praodn rapodn arpodn parodn aprodn opardn poardn oaprdn aoprdn paordn apordn dropna rdopna dorpna odrpna rodpna ordpna drpona rdpona dprona pdrona rpdona prdona doprna odprna dporna pdorna opdrna podrna ropdna orpdna rpodna prodna oprdna pordna dronpa rdonpa dornpa odrnpa rodnpa ordnpa drnopa rdnopa dnropa ndropa rndopa nrdopa donrpa odnrpa dnorpa ndorpa ondrpa nodrpa rondpa orndpa rnodpa nrodpa onrdpa nordpa drpnoa rdpnoa dprnoa pdrnoa rpdnoa prdnoa drnpoa rdnpoa dnrpoa ndrpoa rndpoa nrdpoa dpnroa pdnroa dnproa ndproa pndroa npdroa rpndoa prndoa rnpdoa nrpdoa pnrdoa nprdoa dopnra odpnra dponra pdonra opdnra podnra donpra odnpra dnopra ndopra ondpra nodpra dpnora pdnora dnpora ndpora pndora npdora opndra pondra onpdra nopdra pnodra npodra ropnda orpnda rponda pronda oprnda pornda ronpda ornpda rnopda nropda onrpda norpda rpnoda prnoda rnpoda nrpoda pnroda nproda opnrda ponrda onprda noprda pnorda nporda droanp rdoanp doranp odranp rodanp ordanp draonp rdaonp daronp adronp radonp ardonp doarnp odarnp daornp adornp oadrnp aodrnp roadnp oradnp raodnp arodnp oardnp aordnp dronap rdonap dornap odrnap rodnap ordnap drnoap rdnoap dnroap ndroap rndoap nrdoap donrap odnrap dnorap ndorap ondrap nodrap rondap orndap rnodap nrodap onrdap nordap dranop rdanop darnop adrnop radnop ardnop drnaop rdnaop dnraop ndraop rndaop nrdaop danrop adnrop dnarop ndarop androp nadrop randop arndop rnadop nradop anrdop nardop doanrp odanrp daonrp adonrp oadnrp aodnrp donarp odnarp dnoarp ndoarp ondarp nodarp danorp adnorp dnaorp ndaorp andorp nadorp oandrp aondrp onadrp noadrp anodrp naodrp roandp orandp raondp arondp oarndp aorndp ronadp ornadp rnoadp nroadp onradp noradp ranodp arnodp rnaodp nraodp anrodp narodp oanrdp aonrdp onardp noardp anordp naordp drpano rdpano dprano pdrano rpdano prdano drapno rdapno darpno adrpno radpno ardpno dparno pdarno daprno adprno padrno apdrno rpadno pradno rapdno arpdno pardno aprdno drpnao rdpnao dprnao pdrnao rpdnao prdnao drnpao rdnpao dnrpao ndrpao rndpao nrdpao dpnrao pdnrao dnprao ndprao pndrao npdrao rpndao prndao rnpdao nrpdao pnrdao nprdao dranpo rdanpo darnpo adrnpo radnpo ardnpo drnapo rdnapo dnrapo ndrapo rndapo nrdapo danrpo adnrpo dnarpo ndarpo andrpo nadrpo randpo arndpo rnadpo nradpo anrdpo nardpo dpanro pdanro dapnro adpnro padnro apdnro dpnaro pdnaro dnparo ndparo pndaro npdaro danpro adnpro dnapro ndapro andpro nadpro pandro apndro pnadro npadro anpdro napdro rpando prando rapndo arpndo parndo aprndo rpnado prnado rnpado nrpado pnrado nprado ranpdo arnpdo rnapdo nrapdo anrpdo narpdo panrdo apnrdo pnardo npardo anprdo naprdo dopanr odpanr dpoanr pdoanr opdanr podanr doapnr odapnr daopnr adopnr oadpnr aodpnr dpaonr pdaonr daponr adponr padonr apdonr opadnr poadnr oapdnr aopdnr paodnr apodnr dopnar odpnar dponar pdonar opdnar podnar donpar odnpar dnopar ndopar ondpar nodpar dpnoar pdnoar dnpoar ndpoar pndoar npdoar opndar pondar onpdar nopdar pnodar npodar doanpr odanpr daonpr adonpr oadnpr aodnpr donapr odnapr dnoapr ndoapr ondapr nodapr danopr adnopr dnaopr ndaopr andopr nadopr oandpr aondpr onadpr noadpr anodpr naodpr dpanor pdanor dapnor adpnor padnor apdnor dpnaor pdnaor dnpaor ndpaor pndaor npdaor danpor adnpor dnapor ndapor andpor nadpor pandor apndor pnador npador anpdor napdor opandr poandr oapndr aopndr paondr apondr opnadr ponadr onpadr nopadr pnoadr npoadr oanpdr aonpdr onapdr noapdr anopdr naopdr panodr apnodr pnaodr npaodr anpodr napodr ropand orpand rpoand proand oprand porand roapnd orapnd raopnd aropnd oarpnd aorpnd rpaond praond rapond arpond parond aprond oparnd poarnd oaprnd aoprnd paornd apornd ropnad orpnad rponad pronad oprnad pornad ronpad ornpad rnopad nropad onrpad norpad rpnoad prnoad rnpoad nrpoad pnroad nproad opnrad ponrad onprad noprad pnorad nporad roanpd oranpd raonpd aronpd oarnpd aornpd ronapd ornapd rnoapd nroapd onrapd norapd ranopd arnopd rnaopd nraopd anropd naropd oanrpd aonrpd onarpd noarpd anorpd naorpd rpanod pranod rapnod arpnod parnod aprnod rpnaod prnaod rnpaod nrpaod pnraod npraod ranpod arnpod rnapod nrapod anrpod narpod panrod apnrod pnarod nparod anprod naprod opanrd poanrd oapnrd aopnrd paonrd aponrd opnard ponard onpard nopard pnoard npoard oanprd aonprd onaprd noaprd anoprd naoprd panord apnord pnaord npaord anpord napord
Note: these 'words' (valid or invalid) are all the permutations of the word dropan. These words are obtained by scrambling the letters in dropan.