pilter iplter pliter lpiter ilpter lipter pitler iptler ptiler tpiler itpler tipler pltier lptier ptlier tplier ltpier tlpier iltper litper itlper tilper ltiper tliper piletr ipletr plietr lpietr ilpetr lipetr pieltr ipeltr peiltr epiltr iepltr eipltr pleitr lpeitr pelitr eplitr lepitr elpitr ileptr lieptr ielptr eilptr leiptr eliptr pitelr iptelr ptielr tpielr itpelr tipelr pietlr ipetlr peitlr epitlr ieptlr eiptlr pteilr tpeilr petilr eptilr tepilr etpilr iteplr tieplr ietplr eitplr teiplr etiplr plteir lpteir ptleir tpleir ltpeir tlpeir pletir lpetir peltir epltir leptir elptir ptelir tpelir petlir eptlir teplir etplir ltepir tlepir letpir eltpir telpir etlpir iltepr litepr itlepr tilepr ltiepr tliepr iletpr lietpr ieltpr eiltpr leitpr elitpr itelpr tielpr ietlpr eitlpr teilpr etilpr lteipr tleipr letipr eltipr telipr etlipr piltre ipltre plitre lpitre ilptre liptre pitlre iptlre ptilre tpilre itplre tiplre pltire lptire ptlire tplire ltpire tlpire iltpre litpre itlpre tilpre ltipre tlipre pilrte iplrte plirte lpirte ilprte liprte pirlte iprlte prilte rpilte irplte riplte plrite lprite prlite rplite lrpite rlpite ilrpte lirpte irlpte rilpte lripte rlipte pitrle iptrle ptirle tpirle itprle tiprle pirtle iprtle pritle rpitle irptle riptle ptrile tprile prtile rptile trpile rtpile itrple tirple irtple ritple triple rtiple pltrie lptrie ptlrie tplrie ltprie tlprie plrtie lprtie prltie rpltie lrptie rlptie ptrlie tprlie prtlie rptlie trplie rtplie ltrpie tlrpie lrtpie rltpie trlpie rtlpie iltrpe litrpe itlrpe tilrpe ltirpe tlirpe ilrtpe lirtpe irltpe riltpe lritpe rlitpe itrlpe tirlpe irtlpe ritlpe trilpe rtilpe ltripe tlripe lrtipe rltipe trlipe rtlipe pilert iplert pliert lpiert ilpert lipert pielrt ipelrt peilrt epilrt ieplrt eiplrt pleirt lpeirt pelirt eplirt lepirt elpirt ileprt lieprt ielprt eilprt leiprt eliprt pilret iplret pliret lpiret ilpret lipret pirlet iprlet prilet rpilet irplet riplet plriet lpriet prliet rpliet lrpiet rlpiet ilrpet lirpet irlpet rilpet lripet rlipet pierlt iperlt peirlt epirlt ieprlt eiprlt pirelt iprelt prielt rpielt irpelt ripelt perilt eprilt preilt rpeilt erpilt repilt ierplt eirplt ireplt rieplt eriplt reiplt plerit lperit pelrit eplrit leprit elprit plreit lpreit prleit rpleit lrpeit rlpeit perlit eprlit prelit rpelit erplit replit lerpit elrpit lrepit rlepit erlpit relpit ilerpt lierpt ielrpt eilrpt leirpt elirpt ilrept lirept irlept rilept lriept rliept ierlpt eirlpt irelpt rielpt erilpt reilpt leript elript lreipt rleipt erlipt relipt piterl ipterl ptierl tpierl itperl tiperl pietrl ipetrl peitrl epitrl ieptrl eiptrl pteirl tpeirl petirl eptirl tepirl etpirl iteprl tieprl ietprl eitprl teiprl etiprl pitrel iptrel ptirel tpirel itprel tiprel pirtel iprtel pritel rpitel irptel riptel ptriel tpriel prtiel rptiel trpiel rtpiel itrpel tirpel irtpel ritpel tripel rtipel piertl ipertl peirtl epirtl ieprtl eiprtl piretl ipretl prietl rpietl irpetl ripetl peritl epritl preitl rpeitl erpitl repitl ierptl eirptl ireptl rieptl eriptl reiptl pteril tperil petril eptril tepril etpril ptreil tpreil prteil rpteil trpeil rtpeil pertil eprtil pretil rpetil erptil reptil terpil etrpil trepil rtepil ertpil retpil iterpl tierpl ietrpl eitrpl teirpl etirpl itrepl tirepl irtepl ritepl triepl rtiepl iertpl eirtpl iretpl rietpl eritpl reitpl teripl etripl treipl rteipl ertipl retipl plteri lpteri ptleri tpleri ltperi tlperi pletri lpetri peltri epltri leptri elptri ptelri tpelri petlri eptlri teplri etplri ltepri tlepri letpri eltpri telpri etlpri pltrei lptrei ptlrei tplrei ltprei tlprei plrtei lprtei prltei rpltei lrptei rlptei ptrlei tprlei prtlei rptlei trplei rtplei ltrpei tlrpei lrtpei rltpei trlpei rtlpei plerti lperti pelrti eplrti leprti elprti plreti lpreti prleti rpleti lrpeti rlpeti perlti eprlti prelti rpelti erplti replti lerpti elrpti lrepti rlepti erlpti relpti pterli tperli petrli eptrli teprli etprli ptreli tpreli prteli rpteli trpeli rtpeli pertli eprtli pretli rpetli erptli reptli terpli etrpli trepli rtepli ertpli retpli lterpi tlerpi letrpi eltrpi telrpi etlrpi ltrepi tlrepi lrtepi rltepi trlepi rtlepi lertpi elrtpi lretpi rletpi erltpi reltpi terlpi etrlpi trelpi rtelpi ertlpi retlpi ilterp literp itlerp tilerp ltierp tlierp iletrp lietrp ieltrp eiltrp leitrp elitrp itelrp tielrp ietlrp eitlrp teilrp etilrp lteirp tleirp letirp eltirp telirp etlirp iltrep litrep itlrep tilrep ltirep tlirep ilrtep lirtep irltep riltep lritep rlitep itrlep tirlep irtlep ritlep trilep rtilep ltriep tlriep lrtiep rltiep trliep rtliep ilertp liertp ielrtp eilrtp leirtp elirtp ilretp liretp irletp riletp lrietp rlietp ierltp eirltp ireltp rieltp eriltp reiltp leritp elritp lreitp rleitp erlitp relitp iterlp tierlp ietrlp eitrlp teirlp etirlp itrelp tirelp irtelp ritelp trielp rtielp iertlp eirtlp iretlp rietlp eritlp reitlp terilp etrilp treilp rteilp ertilp retilp lterip tlerip letrip eltrip telrip etlrip ltreip tlreip lrteip rlteip trleip rtleip lertip elrtip lretip rletip erltip reltip terlip etrlip trelip rtelip ertlip retlip
Note: these 'words' (valid or invalid) are all the permutations of the word pilter. These words are obtained by scrambling the letters in pilter.