opined poined oipned iopned pioned iponed opnied ponied onpied nopied pnoied npoied oinped ionped oniped noiped inoped nioped pinoed ipnoed pnioed npioed inpoed nipoed opiend poiend oipend iopend pioend ipoend opeind poeind oepind eopind peoind epoind oiepnd ioepnd oeipnd eoipnd ieopnd eiopnd pieond ipeond peiond epiond iepond eipond opneid poneid onpeid nopeid pnoeid npoeid openid poenid oepnid eopnid peonid eponid onepid noepid oenpid eonpid neopid enopid pneoid npeoid penoid epnoid nepoid enpoid oinepd ionepd oniepd noiepd inoepd nioepd oienpd ioenpd oeinpd eoinpd ieonpd eionpd oneipd noeipd oenipd eonipd neoipd enoipd ineopd nieopd ienopd einopd neiopd eniopd pineod ipneod pnieod npieod inpeod nipeod pienod ipenod peinod epinod iepnod eipnod pneiod npeiod peniod epniod nepiod enpiod inepod niepod ienpod einpod neipod enipod opinde poinde oipnde iopnde pionde iponde opnide ponide onpide nopide pnoide npoide oinpde ionpde onipde noipde inopde niopde pinode ipnode pniode npiode inpode nipode opidne poidne oipdne iopdne piodne ipodne opdine podine odpine dopine pdoine dpoine oidpne iodpne odipne doipne idopne diopne pidone ipdone pdione dpione idpone dipone opndie pondie onpdie nopdie pnodie npodie opdnie podnie odpnie dopnie pdonie dponie ondpie nodpie odnpie donpie ndopie dnopie pndoie npdoie pdnoie dpnoie ndpoie dnpoie oindpe iondpe onidpe noidpe inodpe niodpe oidnpe iodnpe odinpe doinpe idonpe dionpe ondipe nodipe odnipe donipe ndoipe dnoipe indope nidope idnope dinope ndiope dniope pindoe ipndoe pnidoe npidoe inpdoe nipdoe pidnoe ipdnoe pdinoe dpinoe idpnoe dipnoe pndioe npdioe pdnioe dpnioe ndpioe dnpioe indpoe nidpoe idnpoe dinpoe ndipoe dnipoe opiedn poiedn oipedn iopedn pioedn ipoedn opeidn poeidn oepidn eopidn peoidn epoidn oiepdn ioepdn oeipdn eoipdn ieopdn eiopdn pieodn ipeodn peiodn epiodn iepodn eipodn opiden poiden oipden iopden pioden ipoden opdien podien odpien dopien pdoien dpoien oidpen iodpen odipen doipen idopen diopen pidoen ipdoen pdioen dpioen idpoen dipoen opedin poedin oepdin eopdin peodin epodin opdein podein odpein dopein pdoein dpoein oedpin eodpin odepin doepin edopin deopin pedoin epdoin pdeoin dpeoin edpoin depoin oiedpn ioedpn oeidpn eoidpn ieodpn eiodpn oidepn iodepn odiepn doiepn idoepn dioepn oedipn eodipn odeipn doeipn edoipn deoipn iedopn eidopn ideopn dieopn ediopn deiopn piedon ipedon peidon epidon iepdon eipdon pideon ipdeon pdieon dpieon idpeon dipeon pedion epdion pdeion dpeion edpion depion iedpon eidpon idepon diepon edipon deipon opnedi ponedi onpedi nopedi pnoedi npoedi opendi poendi oepndi eopndi peondi epondi onepdi noepdi oenpdi eonpdi neopdi enopdi pneodi npeodi penodi epnodi nepodi enpodi opndei pondei onpdei nopdei pnodei npodei opdnei podnei odpnei dopnei pdonei dponei ondpei nodpei odnpei donpei ndopei dnopei pndoei npdoei pdnoei dpnoei ndpoei dnpoei opedni poedni oepdni eopdni peodni epodni opdeni podeni odpeni dopeni pdoeni dpoeni oedpni eodpni odepni doepni edopni deopni pedoni epdoni pdeoni dpeoni edponi deponi onedpi noedpi oendpi eondpi neodpi enodpi ondepi nodepi odnepi donepi ndoepi dnoepi oednpi eodnpi odenpi doenpi edonpi deonpi nedopi endopi ndeopi dneopi ednopi denopi pnedoi npedoi pendoi epndoi nepdoi enpdoi pndeoi npdeoi pdneoi dpneoi ndpeoi dnpeoi pednoi epdnoi pdenoi dpenoi edpnoi depnoi nedpoi endpoi ndepoi dnepoi ednpoi denpoi oinedp ionedp oniedp noiedp inoedp nioedp oiendp ioendp oeindp eoindp ieondp eiondp oneidp noeidp oenidp eonidp neoidp enoidp ineodp nieodp ienodp einodp neiodp eniodp oindep iondep onidep noidep inodep niodep oidnep iodnep odinep doinep idonep dionep ondiep nodiep odniep doniep ndoiep dnoiep indoep nidoep idnoep dinoep ndioep dnioep oiednp ioednp oeidnp eoidnp ieodnp eiodnp oidenp iodenp odienp doienp idoenp dioenp oedinp eodinp odeinp doeinp edoinp deoinp iedonp eidonp ideonp dieonp edionp deionp onedip noedip oendip eondip neodip enodip ondeip nodeip odneip doneip ndoeip dnoeip oednip eodnip odenip doenip edonip deonip nedoip endoip ndeoip dneoip ednoip denoip inedop niedop iendop eindop neidop enidop indeop nideop idneop dineop ndieop dnieop iednop eidnop idenop dienop edinop deinop nediop endiop ndeiop dneiop edniop deniop pinedo ipnedo pniedo npiedo inpedo nipedo piendo ipendo peindo epindo iepndo eipndo pneido npeido penido epnido nepido enpido inepdo niepdo ienpdo einpdo neipdo enipdo pindeo ipndeo pnideo npideo inpdeo nipdeo pidneo ipdneo pdineo dpineo idpneo dipneo pndieo npdieo pdnieo dpnieo ndpieo dnpieo indpeo nidpeo idnpeo dinpeo ndipeo dnipeo piedno ipedno peidno epidno iepdno eipdno pideno ipdeno pdieno dpieno idpeno dipeno pedino epdino pdeino dpeino edpino depino iedpno eidpno idepno diepno edipno deipno pnedio npedio pendio epndio nepdio enpdio pndeio npdeio pdneio dpneio ndpeio dnpeio pednio epdnio pdenio dpenio edpnio depnio nedpio endpio ndepio dnepio ednpio denpio inedpo niedpo iendpo eindpo neidpo enidpo indepo nidepo idnepo dinepo ndiepo dniepo iednpo eidnpo idenpo dienpo edinpo deinpo nedipo endipo ndeipo dneipo ednipo denipo
Note: these 'words' (valid or invalid) are all the permutations of the word opined. These words are obtained by scrambling the letters in opined.