opines poines oipnes iopnes piones ipones opnies ponies onpies nopies pnoies npoies oinpes ionpes onipes noipes inopes niopes pinoes ipnoes pnioes npioes inpoes nipoes opiens poiens oipens iopens pioens ipoens opeins poeins oepins eopins peoins epoins oiepns ioepns oeipns eoipns ieopns eiopns pieons ipeons peions epions iepons eipons opneis poneis onpeis nopeis pnoeis npoeis openis poenis oepnis eopnis peonis eponis onepis noepis oenpis eonpis neopis enopis pneois npeois penois epnois nepois enpois oineps ioneps onieps noieps inoeps nioeps oienps ioenps oeinps eoinps ieonps eionps oneips noeips oenips eonips neoips enoips ineops nieops ienops einops neiops eniops pineos ipneos pnieos npieos inpeos nipeos pienos ipenos peinos epinos iepnos eipnos pneios npeios penios epnios nepios enpios inepos niepos ienpos einpos neipos enipos opinse poinse oipnse iopnse pionse iponse opnise ponise onpise nopise pnoise npoise oinpse ionpse onipse noipse inopse niopse pinose ipnose pniose npiose inpose nipose opisne poisne oipsne iopsne piosne iposne opsine posine ospine sopine psoine spoine oispne iospne osipne soipne isopne siopne pisone ipsone psione spione ispone sipone opnsie ponsie onpsie nopsie pnosie nposie opsnie posnie ospnie sopnie psonie sponie onspie nospie osnpie sonpie nsopie snopie pnsoie npsoie psnoie spnoie nspoie snpoie oinspe ionspe onispe noispe inospe niospe oisnpe iosnpe osinpe soinpe isonpe sionpe onsipe nosipe osnipe sonipe nsoipe snoipe insope nisope isnope sinope nsiope sniope pinsoe ipnsoe pnisoe npisoe inpsoe nipsoe pisnoe ipsnoe psinoe spinoe ispnoe sipnoe pnsioe npsioe psnioe spnioe nspioe snpioe inspoe nispoe isnpoe sinpoe nsipoe snipoe opiesn poiesn oipesn iopesn pioesn ipoesn opeisn poeisn oepisn eopisn peoisn epoisn oiepsn ioepsn oeipsn eoipsn ieopsn eiopsn pieosn ipeosn peiosn epiosn ieposn eiposn opisen poisen oipsen iopsen piosen iposen opsien posien ospien sopien psoien spoien oispen iospen osipen soipen isopen siopen pisoen ipsoen psioen spioen ispoen sipoen opesin poesin oepsin eopsin peosin eposin opsein posein ospein sopein psoein spoein oespin eospin osepin soepin esopin seopin pesoin epsoin pseoin speoin espoin sepoin oiespn ioespn oeispn eoispn ieospn eiospn oisepn iosepn osiepn soiepn isoepn sioepn oesipn eosipn oseipn soeipn esoipn seoipn iesopn eisopn iseopn sieopn esiopn seiopn pieson ipeson peison epison iepson eipson piseon ipseon psieon spieon ispeon sipeon pesion epsion pseion speion espion sepion iespon eispon isepon siepon esipon seipon opnesi ponesi onpesi nopesi pnoesi npoesi opensi poensi oepnsi eopnsi peonsi eponsi onepsi noepsi oenpsi eonpsi neopsi enopsi pneosi npeosi penosi epnosi neposi enposi opnsei ponsei onpsei nopsei pnosei nposei opsnei posnei ospnei sopnei psonei sponei onspei nospei osnpei sonpei nsopei snopei pnsoei npsoei psnoei spnoei nspoei snpoei opesni poesni oepsni eopsni peosni eposni opseni poseni ospeni sopeni psoeni spoeni oespni eospni osepni soepni esopni seopni pesoni epsoni pseoni speoni esponi seponi onespi noespi oenspi eonspi neospi enospi onsepi nosepi osnepi sonepi nsoepi snoepi oesnpi eosnpi osenpi soenpi esonpi seonpi nesopi ensopi nseopi sneopi esnopi senopi pnesoi npesoi pensoi epnsoi nepsoi enpsoi pnseoi npseoi psneoi spneoi nspeoi snpeoi pesnoi epsnoi psenoi spenoi espnoi sepnoi nespoi enspoi nsepoi snepoi esnpoi senpoi oinesp ionesp oniesp noiesp inoesp nioesp oiensp ioensp oeinsp eoinsp ieonsp eionsp oneisp noeisp oenisp eonisp neoisp enoisp ineosp nieosp ienosp einosp neiosp eniosp oinsep ionsep onisep noisep inosep niosep oisnep iosnep osinep soinep isonep sionep onsiep nosiep osniep soniep nsoiep snoiep insoep nisoep isnoep sinoep nsioep snioep oiesnp ioesnp oeisnp eoisnp ieosnp eiosnp oisenp iosenp osienp soienp isoenp sioenp oesinp eosinp oseinp soeinp esoinp seoinp iesonp eisonp iseonp sieonp esionp seionp onesip noesip oensip eonsip neosip enosip onseip noseip osneip soneip nsoeip snoeip oesnip eosnip osenip soenip esonip seonip nesoip ensoip nseoip sneoip esnoip senoip inesop niesop iensop einsop neisop enisop inseop niseop isneop sineop nsieop snieop iesnop eisnop isenop sienop esinop seinop nesiop ensiop nseiop sneiop esniop seniop pineso ipneso pnieso npieso inpeso nipeso pienso ipenso peinso epinso iepnso eipnso pneiso npeiso peniso epniso nepiso enpiso inepso niepso ienpso einpso neipso enipso pinseo ipnseo pniseo npiseo inpseo nipseo pisneo ipsneo psineo spineo ispneo sipneo pnsieo npsieo psnieo spnieo nspieo snpieo inspeo nispeo isnpeo sinpeo nsipeo snipeo piesno ipesno peisno episno iepsno eipsno piseno ipseno psieno spieno ispeno sipeno pesino epsino pseino speino espino sepino iespno eispno isepno siepno esipno seipno pnesio npesio pensio epnsio nepsio enpsio pnseio npseio psneio spneio nspeio snpeio pesnio epsnio psenio spenio espnio sepnio nespio enspio nsepio snepio esnpio senpio inespo niespo ienspo einspo neispo enispo insepo nisepo isnepo sinepo nsiepo sniepo iesnpo eisnpo isenpo sienpo esinpo seinpo nesipo ensipo nseipo sneipo esnipo senipo
Note: these 'words' (valid or invalid) are all the permutations of the word opines. These words are obtained by scrambling the letters in opines.