fripon rfipon firpon ifrpon rifpon irfpon frpion rfpion fprion pfrion rpfion prfion fipron ifpron fpiron pfiron ipfron pifron ripfon irpfon rpifon prifon iprfon pirfon friopn rfiopn firopn ifropn rifopn irfopn froipn rfoipn foripn ofripn rofipn orfipn fiorpn iforpn foirpn ofirpn iofrpn oifrpn riofpn irofpn roifpn orifpn iorfpn oirfpn frpoin rfpoin fproin pfroin rpfoin prfoin fropin rfopin forpin ofrpin rofpin orfpin fporin pforin foprin ofprin pofrin opfrin rpofin profin ropfin orpfin porfin oprfin fiporn ifporn fpiorn pfiorn ipforn piforn fioprn ifoprn foiprn ofiprn iofprn oifprn fpoirn pfoirn fopirn ofpirn pofirn opfirn ipofrn piofrn iopfrn oipfrn poifrn opifrn ripofn irpofn rpiofn priofn iprofn pirofn riopfn iropfn roipfn oripfn iorpfn oirpfn rpoifn proifn ropifn orpifn porifn oprifn iporfn piorfn ioprfn oiprfn poirfn opirfn fripno rfipno firpno ifrpno rifpno irfpno frpino rfpino fprino pfrino rpfino prfino fiprno ifprno fpirno pfirno ipfrno pifrno ripfno irpfno rpifno prifno iprfno pirfno frinpo rfinpo firnpo ifrnpo rifnpo irfnpo frnipo rfnipo fnripo nfripo rnfipo nrfipo finrpo ifnrpo fnirpo nfirpo infrpo nifrpo rinfpo irnfpo rnifpo nrifpo inrfpo nirfpo frpnio rfpnio fprnio pfrnio rpfnio prfnio frnpio rfnpio fnrpio nfrpio rnfpio nrfpio fpnrio pfnrio fnprio nfprio pnfrio npfrio rpnfio prnfio rnpfio nrpfio pnrfio nprfio fipnro ifpnro fpinro pfinro ipfnro pifnro finpro ifnpro fnipro nfipro infpro nifpro fpniro pfniro fnpiro nfpiro pnfiro npfiro ipnfro pinfro inpfro nipfro pnifro npifro ripnfo irpnfo rpinfo prinfo iprnfo pirnfo rinpfo irnpfo rnipfo nripfo inrpfo nirpfo rpnifo prnifo rnpifo nrpifo pnrifo nprifo ipnrfo pinrfo inprfo niprfo pnirfo npirfo frionp rfionp fironp ifronp rifonp irfonp froinp rfoinp forinp ofrinp rofinp orfinp fiornp ifornp foirnp ofirnp iofrnp oifrnp riofnp irofnp roifnp orifnp iorfnp oirfnp frinop rfinop firnop ifrnop rifnop irfnop frniop rfniop fnriop nfriop rnfiop nrfiop finrop ifnrop fnirop nfirop infrop nifrop rinfop irnfop rnifop nrifop inrfop nirfop fronip rfonip fornip ofrnip rofnip orfnip frnoip rfnoip fnroip nfroip rnfoip nrfoip fonrip ofnrip fnorip nforip onfrip nofrip ronfip ornfip rnofip nrofip onrfip norfip fionrp ifonrp foinrp ofinrp iofnrp oifnrp finorp ifnorp fniorp nfiorp inforp niforp fonirp ofnirp fnoirp nfoirp onfirp nofirp ionfrp oinfrp inofrp niofrp onifrp noifrp rionfp ironfp roinfp orinfp iornfp oirnfp rinofp irnofp rniofp nriofp inrofp nirofp ronifp ornifp rnoifp nroifp onrifp norifp ionrfp oinrfp inorfp niorfp onirfp noirfp frponi rfponi fproni pfroni rpfoni prfoni fropni rfopni forpni ofrpni rofpni orfpni fporni pforni foprni ofprni pofrni opfrni rpofni profni ropfni orpfni porfni oprfni frpnoi rfpnoi fprnoi pfrnoi rpfnoi prfnoi frnpoi rfnpoi fnrpoi nfrpoi rnfpoi nrfpoi fpnroi pfnroi fnproi nfproi pnfroi npfroi rpnfoi prnfoi rnpfoi nrpfoi pnrfoi nprfoi fronpi rfonpi fornpi ofrnpi rofnpi orfnpi frnopi rfnopi fnropi nfropi rnfopi nrfopi fonrpi ofnrpi fnorpi nforpi onfrpi nofrpi ronfpi ornfpi rnofpi nrofpi onrfpi norfpi fponri pfonri fopnri ofpnri pofnri opfnri fpnori pfnori fnpori nfpori pnfori npfori fonpri ofnpri fnopri nfopri onfpri nofpri ponfri opnfri pnofri npofri onpfri nopfri rponfi pronfi ropnfi orpnfi pornfi oprnfi rpnofi prnofi rnpofi nrpofi pnrofi nprofi ronpfi ornpfi rnopfi nropfi onrpfi norpfi ponrfi opnrfi pnorfi nporfi onprfi noprfi fiponr ifponr fpionr pfionr ipfonr pifonr fiopnr ifopnr foipnr ofipnr iofpnr oifpnr fpoinr pfoinr fopinr ofpinr pofinr opfinr ipofnr piofnr iopfnr oipfnr poifnr opifnr fipnor ifpnor fpinor pfinor ipfnor pifnor finpor ifnpor fnipor nfipor infpor nifpor fpnior pfnior fnpior nfpior pnfior npfior ipnfor pinfor inpfor nipfor pnifor npifor fionpr ifonpr foinpr ofinpr iofnpr oifnpr finopr ifnopr fniopr nfiopr infopr nifopr fonipr ofnipr fnoipr nfoipr onfipr nofipr ionfpr oinfpr inofpr niofpr onifpr noifpr fponir pfonir fopnir ofpnir pofnir opfnir fpnoir pfnoir fnpoir nfpoir pnfoir npfoir fonpir ofnpir fnopir nfopir onfpir nofpir ponfir opnfir pnofir npofir onpfir nopfir iponfr pionfr iopnfr oipnfr poinfr opinfr ipnofr pinofr inpofr nipofr pniofr npiofr ionpfr oinpfr inopfr niopfr onipfr noipfr ponifr opnifr pnoifr npoifr onpifr nopifr riponf irponf rpionf prionf ipronf pironf riopnf iropnf roipnf oripnf iorpnf oirpnf rpoinf proinf ropinf orpinf porinf oprinf ipornf piornf ioprnf oiprnf poirnf opirnf ripnof irpnof rpinof prinof iprnof pirnof rinpof irnpof rnipof nripof inrpof nirpof rpniof prniof rnpiof nrpiof pnriof npriof ipnrof pinrof inprof niprof pnirof npirof rionpf ironpf roinpf orinpf iornpf oirnpf rinopf irnopf rniopf nriopf inropf niropf ronipf ornipf rnoipf nroipf onripf noripf ionrpf oinrpf inorpf niorpf onirpf noirpf rponif pronif ropnif orpnif pornif oprnif rpnoif prnoif rnpoif nrpoif pnroif nproif ronpif ornpif rnopif nropif onrpif norpif ponrif opnrif pnorif nporif onprif noprif iponrf pionrf iopnrf oipnrf poinrf opinrf ipnorf pinorf inporf niporf pniorf npiorf ionprf oinprf inoprf nioprf oniprf noiprf ponirf opnirf pnoirf npoirf onpirf nopirf
Note: these 'words' (valid or invalid) are all the permutations of the word fripon. These words are obtained by scrambling the letters in fripon.