opting poting otping toping ptoing tpoing opitng poitng oiptng ioptng piotng ipotng otipng toipng oitpng iotpng tiopng itopng ptiong tpiong pitong iptong tipong itpong optnig potnig otpnig topnig ptonig tponig opntig pontig onptig noptig pnotig npotig otnpig tonpig ontpig notpig tnopig ntopig ptnoig tpnoig pntoig nptoig tnpoig ntpoig opintg pointg oipntg iopntg piontg ipontg opnitg ponitg onpitg nopitg pnoitg npoitg oinptg ionptg oniptg noiptg inoptg nioptg pinotg ipnotg pniotg npiotg inpotg nipotg otinpg toinpg oitnpg iotnpg tionpg itonpg otnipg tonipg ontipg notipg tnoipg ntoipg ointpg iontpg onitpg noitpg inotpg niotpg tinopg itnopg tniopg ntiopg intopg nitopg ptinog tpinog pitnog iptnog tipnog itpnog ptniog tpniog pntiog nptiog tnpiog ntpiog pintog ipntog pnitog npitog inptog niptog tinpog itnpog tnipog ntipog intpog nitpog optign potign otpign topign ptoign tpoign opitgn poitgn oiptgn ioptgn piotgn ipotgn otipgn toipgn oitpgn iotpgn tiopgn itopgn ptiogn tpiogn pitogn iptogn tipogn itpogn optgin potgin otpgin topgin ptogin tpogin opgtin pogtin ogptin goptin pgotin gpotin otgpin togpin ogtpin gotpin tgopin gtopin ptgoin tpgoin pgtoin gptoin tgpoin gtpoin opigtn poigtn oipgtn iopgtn piogtn ipogtn opgitn pogitn ogpitn gopitn pgoitn gpoitn oigptn iogptn ogiptn goiptn igoptn gioptn pigotn ipgotn pgiotn gpiotn igpotn gipotn otigpn toigpn oitgpn iotgpn tiogpn itogpn otgipn togipn ogtipn gotipn tgoipn gtoipn oigtpn iogtpn ogitpn goitpn igotpn giotpn tigopn itgopn tgiopn gtiopn igtopn gitopn ptigon tpigon pitgon iptgon tipgon itpgon ptgion tpgion pgtion gption tgpion gtpion pigton ipgton pgiton gpiton igpton gipton tigpon itgpon tgipon gtipon igtpon gitpon optngi potngi otpngi topngi ptongi tpongi opntgi pontgi onptgi noptgi pnotgi npotgi otnpgi tonpgi ontpgi notpgi tnopgi ntopgi ptnogi tpnogi pntogi nptogi tnpogi ntpogi optgni potgni otpgni topgni ptogni tpogni opgtni pogtni ogptni goptni pgotni gpotni otgpni togpni ogtpni gotpni tgopni gtopni ptgoni tpgoni pgtoni gptoni tgponi gtponi opngti pongti onpgti nopgti pnogti npogti opgnti pognti ogpnti gopnti pgonti gponti ongpti nogpti ognpti gonpti ngopti gnopti pngoti npgoti pgnoti gpnoti ngpoti gnpoti otngpi tongpi ontgpi notgpi tnogpi ntogpi otgnpi tognpi ogtnpi gotnpi tgonpi gtonpi ongtpi nogtpi ogntpi gontpi ngotpi gnotpi tngopi ntgopi tgnopi gtnopi ngtopi gntopi ptngoi tpngoi pntgoi nptgoi tnpgoi ntpgoi ptgnoi tpgnoi pgtnoi gptnoi tgpnoi gtpnoi pngtoi npgtoi pgntoi gpntoi ngptoi gnptoi tngpoi ntgpoi tgnpoi gtnpoi ngtpoi gntpoi opingt poingt oipngt iopngt piongt ipongt opnigt ponigt onpigt nopigt pnoigt npoigt oinpgt ionpgt onipgt noipgt inopgt niopgt pinogt ipnogt pniogt npiogt inpogt nipogt opignt poignt oipgnt iopgnt piognt ipognt opgint pogint ogpint gopint pgoint gpoint oigpnt iogpnt ogipnt goipnt igopnt giopnt pigont ipgont pgiont gpiont igpont gipont opngit pongit onpgit nopgit pnogit npogit opgnit pognit ogpnit gopnit pgonit gponit ongpit nogpit ognpit gonpit ngopit gnopit pngoit npgoit pgnoit gpnoit ngpoit gnpoit oingpt iongpt onigpt noigpt inogpt niogpt oignpt iognpt oginpt goinpt igonpt gionpt ongipt nogipt ognipt gonipt ngoipt gnoipt ingopt nigopt ignopt ginopt ngiopt gniopt pingot ipngot pnigot npigot inpgot nipgot pignot ipgnot pginot gpinot igpnot gipnot pngiot npgiot pgniot gpniot ngpiot gnpiot ingpot nigpot ignpot ginpot ngipot gnipot otingp toingp oitngp iotngp tiongp itongp otnigp tonigp ontigp notigp tnoigp ntoigp ointgp iontgp onitgp noitgp inotgp niotgp tinogp itnogp tniogp ntiogp intogp nitogp otignp toignp oitgnp iotgnp tiognp itognp otginp toginp ogtinp gotinp tgoinp gtoinp oigtnp iogtnp ogitnp goitnp igotnp giotnp tigonp itgonp tgionp gtionp igtonp gitonp otngip tongip ontgip notgip tnogip ntogip otgnip tognip ogtnip gotnip tgonip gtonip ongtip nogtip ogntip gontip ngotip gnotip tngoip ntgoip tgnoip gtnoip ngtoip gntoip oingtp iongtp onigtp noigtp inogtp niogtp oigntp iogntp ogintp gointp igontp giontp ongitp nogitp ognitp gonitp ngoitp gnoitp ingotp nigotp ignotp ginotp ngiotp gniotp tingop itngop tnigop ntigop intgop nitgop tignop itgnop tginop gtinop igtnop gitnop tngiop ntgiop tgniop gtniop ngtiop gntiop ingtop nigtop igntop gintop ngitop gnitop ptingo tpingo pitngo iptngo tipngo itpngo ptnigo tpnigo pntigo nptigo tnpigo ntpigo pintgo ipntgo pnitgo npitgo inptgo niptgo tinpgo itnpgo tnipgo ntipgo intpgo nitpgo ptigno tpigno pitgno iptgno tipgno itpgno ptgino tpgino pgtino gptino tgpino gtpino pigtno ipgtno pgitno gpitno igptno giptno tigpno itgpno tgipno gtipno igtpno gitpno ptngio tpngio pntgio nptgio tnpgio ntpgio ptgnio tpgnio pgtnio gptnio tgpnio gtpnio pngtio npgtio pgntio gpntio ngptio gnptio tngpio ntgpio tgnpio gtnpio ngtpio gntpio pingto ipngto pnigto npigto inpgto nipgto pignto ipgnto pginto gpinto igpnto gipnto pngito npgito pgnito gpnito ngpito gnpito ingpto nigpto ignpto ginpto ngipto gnipto tingpo itngpo tnigpo ntigpo intgpo nitgpo tignpo itgnpo tginpo gtinpo igtnpo gitnpo tngipo ntgipo tgnipo gtnipo ngtipo gntipo ingtpo nigtpo igntpo gintpo ngitpo gnitpo
Note: these 'words' (valid or invalid) are all the permutations of the word opting. These words are obtained by scrambling the letters in opting.