orpins ropins oprins porins rpoins proins oripns roipns oirpns iorpns riopns iropns opirns poirns oiprns ioprns piorns iporns rpions prions ripons irpons pirons iprons orpnis ropnis oprnis pornis rponis pronis ornpis ronpis onrpis norpis rnopis nropis opnris ponris onpris nopris pnoris nporis rpnois prnois rnpois nrpois pnrois nprois orinps roinps oirnps iornps rionps ironps ornips ronips onrips norips rnoips nroips oinrps ionrps onirps noirps inorps niorps rinops irnops rniops nriops inrops nirops opinrs poinrs oipnrs iopnrs pionrs iponrs opnirs ponirs onpirs nopirs pnoirs npoirs oinprs ionprs oniprs noiprs inoprs nioprs pinors ipnors pniors npiors inpors nipors rpinos prinos ripnos irpnos pirnos iprnos rpnios prnios rnpios nrpios pnrios nprios rinpos irnpos rnipos nripos inrpos nirpos pinros ipnros pniros npiros inpros nipros orpisn ropisn oprisn porisn rpoisn proisn oripsn roipsn oirpsn iorpsn riopsn iropsn opirsn poirsn oiprsn ioprsn piorsn iporsn rpiosn priosn riposn irposn pirosn iprosn orpsin ropsin oprsin porsin rposin prosin orspin rospin osrpin sorpin rsopin sropin opsrin posrin osprin soprin psorin sporin rpsoin prsoin rspoin srpoin psroin sproin orispn roispn oirspn iorspn riospn irospn orsipn rosipn osripn soripn rsoipn sroipn oisrpn iosrpn osirpn soirpn isorpn siorpn risopn irsopn rsiopn sriopn isropn siropn opisrn poisrn oipsrn iopsrn piosrn iposrn opsirn posirn ospirn sopirn psoirn spoirn oisprn iosprn osiprn soiprn isoprn sioprn pisorn ipsorn psiorn spiorn isporn siporn rpison prison ripson irpson pirson iprson rpsion prsion rspion srpion psrion sprion rispon irspon rsipon sripon isrpon sirpon pisron ipsron psiron spiron ispron sipron orpnsi ropnsi oprnsi pornsi rponsi pronsi ornpsi ronpsi onrpsi norpsi rnopsi nropsi opnrsi ponrsi onprsi noprsi pnorsi nporsi rpnosi prnosi rnposi nrposi pnrosi nprosi orpsni ropsni oprsni porsni rposni prosni orspni rospni osrpni sorpni rsopni sropni opsrni posrni osprni soprni psorni sporni rpsoni prsoni rsponi srponi psroni sproni ornspi ronspi onrspi norspi rnospi nrospi orsnpi rosnpi osrnpi sornpi rsonpi sronpi onsrpi nosrpi osnrpi sonrpi nsorpi snorpi rnsopi nrsopi rsnopi srnopi nsropi snropi opnsri ponsri onpsri nopsri pnosri nposri opsnri posnri ospnri sopnri psonri sponri onspri nospri osnpri sonpri nsopri snopri pnsori npsori psnori spnori nspori snpori rpnsoi prnsoi rnpsoi nrpsoi pnrsoi nprsoi rpsnoi prsnoi rspnoi srpnoi psrnoi sprnoi rnspoi nrspoi rsnpoi srnpoi nsrpoi snrpoi pnsroi npsroi psnroi spnroi nsproi snproi orinsp roinsp oirnsp iornsp rionsp ironsp ornisp ronisp onrisp norisp rnoisp nroisp oinrsp ionrsp onirsp noirsp inorsp niorsp rinosp irnosp rniosp nriosp inrosp nirosp orisnp roisnp oirsnp iorsnp riosnp irosnp orsinp rosinp osrinp sorinp rsoinp sroinp oisrnp iosrnp osirnp soirnp isornp siornp risonp irsonp rsionp srionp isronp sironp ornsip ronsip onrsip norsip rnosip nrosip orsnip rosnip osrnip sornip rsonip sronip onsrip nosrip osnrip sonrip nsorip snorip rnsoip nrsoip rsnoip srnoip nsroip snroip oinsrp ionsrp onisrp noisrp inosrp niosrp oisnrp iosnrp osinrp soinrp isonrp sionrp onsirp nosirp osnirp sonirp nsoirp snoirp insorp nisorp isnorp sinorp nsiorp sniorp rinsop irnsop rnisop nrisop inrsop nirsop risnop irsnop rsinop srinop isrnop sirnop rnsiop nrsiop rsniop srniop nsriop snriop insrop nisrop isnrop sinrop nsirop snirop opinsr poinsr oipnsr iopnsr pionsr iponsr opnisr ponisr onpisr nopisr pnoisr npoisr oinpsr ionpsr onipsr noipsr inopsr niopsr pinosr ipnosr pniosr npiosr inposr niposr opisnr poisnr oipsnr iopsnr piosnr iposnr opsinr posinr ospinr sopinr psoinr spoinr oispnr iospnr osipnr soipnr isopnr siopnr pisonr ipsonr psionr spionr isponr siponr opnsir ponsir onpsir nopsir pnosir nposir opsnir posnir ospnir sopnir psonir sponir onspir nospir osnpir sonpir nsopir snopir pnsoir npsoir psnoir spnoir nspoir snpoir oinspr ionspr onispr noispr inospr niospr oisnpr iosnpr osinpr soinpr isonpr sionpr onsipr nosipr osnipr sonipr nsoipr snoipr insopr nisopr isnopr sinopr nsiopr sniopr pinsor ipnsor pnisor npisor inpsor nipsor pisnor ipsnor psinor spinor ispnor sipnor pnsior npsior psnior spnior nspior snpior inspor nispor isnpor sinpor nsipor snipor rpinso prinso ripnso irpnso pirnso iprnso rpniso prniso rnpiso nrpiso pnriso npriso rinpso irnpso rnipso nripso inrpso nirpso pinrso ipnrso pnirso npirso inprso niprso rpisno prisno ripsno irpsno pirsno iprsno rpsino prsino rspino srpino psrino sprino rispno irspno rsipno sripno isrpno sirpno pisrno ipsrno psirno spirno isprno siprno rpnsio prnsio rnpsio nrpsio pnrsio nprsio rpsnio prsnio rspnio srpnio psrnio sprnio rnspio nrspio rsnpio srnpio nsrpio snrpio pnsrio npsrio psnrio spnrio nsprio snprio rinspo irnspo rnispo nrispo inrspo nirspo risnpo irsnpo rsinpo srinpo isrnpo sirnpo rnsipo nrsipo rsnipo srnipo nsripo snripo insrpo nisrpo isnrpo sinrpo nsirpo snirpo pinsro ipnsro pnisro npisro inpsro nipsro pisnro ipsnro psinro spinro ispnro sipnro pnsiro npsiro psniro spniro nspiro snpiro inspro nispro isnpro sinpro nsipro snipro
Note: these 'words' (valid or invalid) are all the permutations of the word orpins. These words are obtained by scrambling the letters in orpins.