proton rpoton porton oprton ropton orpton prtoon rptoon ptroon tproon rtpoon trpoon potron optron ptoron tporon otpron topron rotpon ortpon rtopon tropon otrpon torpon prootn rpootn porotn oprotn ropotn orpotn prootn rpootn porotn oprotn ropotn orpotn poortn oportn poortn oportn ooprtn ooprtn rooptn oroptn rooptn oroptn oorptn oorptn prtoon rptoon ptroon tproon rtpoon trpoon proton rpoton porton oprton ropton orpton ptoron tporon potron optron topron otpron rtopon tropon rotpon ortpon torpon otrpon potorn optorn ptoorn tpoorn otporn toporn pootrn opotrn pootrn opotrn ooptrn ooptrn ptoorn tpoorn potorn optorn toporn otporn otoprn tooprn ootprn ootprn tooprn otoprn rotopn ortopn rtoopn troopn otropn toropn rootpn orotpn rootpn orotpn oortpn oortpn rtoopn troopn rotopn ortopn toropn otropn otorpn toorpn ootrpn ootrpn toorpn otorpn protno rpotno portno oprtno roptno orptno prtono rptono ptrono tprono rtpono trpono potrno optrno ptorno tporno otprno toprno rotpno ortpno rtopno tropno otrpno torpno pronto rponto pornto oprnto ropnto orpnto prnoto rpnoto pnroto nproto rnpoto nrpoto ponrto opnrto pnorto nporto onprto noprto ronpto ornpto rnopto nropto onrpto norpto prtnoo rptnoo ptrnoo tprnoo rtpnoo trpnoo prntoo rpntoo pnrtoo nprtoo rnptoo nrptoo ptnroo tpnroo pntroo nptroo tnproo ntproo rtnpoo trnpoo rntpoo nrtpoo tnrpoo ntrpoo potnro optnro ptonro tponro otpnro topnro pontro opntro pnotro npotro onptro noptro ptnoro tpnoro pntoro nptoro tnporo ntporo otnpro tonpro ontpro notpro tnopro ntopro rotnpo ortnpo rtonpo tronpo otrnpo tornpo rontpo orntpo rnotpo nrotpo onrtpo nortpo rtnopo trnopo rntopo nrtopo tnropo ntropo otnrpo tonrpo ontrpo notrpo tnorpo ntorpo proont rpoont poront opront ropont orpont proont rpoont poront opront ropont orpont poornt opornt poornt opornt ooprnt ooprnt roopnt oropnt roopnt oropnt oorpnt oorpnt pronot rponot pornot oprnot ropnot orpnot prnoot rpnoot pnroot nproot rnpoot nrpoot ponrot opnrot pnorot nporot onprot noprot ronpot ornpot rnopot nropot onrpot norpot pronot rponot pornot oprnot ropnot orpnot prnoot rpnoot pnroot nproot rnpoot nrpoot ponrot opnrot pnorot nporot onprot noprot ronpot ornpot rnopot nropot onrpot norpot poonrt oponrt poonrt oponrt oopnrt oopnrt ponort opnort pnoort npoort onport noport ponort opnort pnoort npoort onport noport oonprt oonprt onoprt nooprt onoprt nooprt roonpt oronpt roonpt oronpt oornpt oornpt ronopt ornopt rnoopt nroopt onropt noropt ronopt ornopt rnoopt nroopt onropt noropt oonrpt oonrpt onorpt noorpt onorpt noorpt prtono rptono ptrono tprono rtpono trpono protno rpotno portno oprtno roptno orptno ptorno tporno potrno optrno toprno otprno rtopno tropno rotpno ortpno torpno otrpno prtnoo rptnoo ptrnoo tprnoo rtpnoo trpnoo prntoo rpntoo pnrtoo nprtoo rnptoo nrptoo ptnroo tpnroo pntroo nptroo tnproo ntproo rtnpoo trnpoo rntpoo nrtpoo tnrpoo ntrpoo pronto rponto pornto oprnto ropnto orpnto prnoto rpnoto pnroto nproto rnpoto nrpoto ponrto opnrto pnorto nporto onprto noprto ronpto ornpto rnopto nropto onrpto norpto ptonro tponro potnro optnro topnro otpnro ptnoro tpnoro pntoro nptoro tnporo ntporo pontro opntro pnotro npotro onptro noptro tonpro otnpro tnopro ntopro ontpro notpro rtonpo tronpo rotnpo ortnpo tornpo otrnpo rtnopo trnopo rntopo nrtopo tnropo ntropo rontpo orntpo rnotpo nrotpo onrtpo nortpo tonrpo otnrpo tnorpo ntorpo ontrpo notrpo potonr optonr ptoonr tpoonr otponr toponr pootnr opotnr pootnr opotnr ooptnr ooptnr ptoonr tpoonr potonr optonr toponr otponr otopnr toopnr ootpnr ootpnr toopnr otopnr potnor optnor ptonor tponor otpnor topnor pontor opntor pnotor npotor onptor noptor ptnoor tpnoor pntoor nptoor tnpoor ntpoor otnpor tonpor ontpor notpor tnopor ntopor poontr opontr poontr opontr oopntr oopntr ponotr opnotr pnootr npootr onpotr nopotr ponotr opnotr pnootr npootr onpotr nopotr oonptr oonptr onoptr nooptr onoptr nooptr ptonor tponor potnor optnor topnor otpnor ptnoor tpnoor pntoor nptoor tnpoor ntpoor pontor opntor pnotor npotor onptor noptor tonpor otnpor tnopor ntopor ontpor notpor otonpr toonpr ootnpr ootnpr toonpr otonpr otnopr tonopr ontopr notopr tnoopr ntoopr oontpr oontpr onotpr nootpr onotpr nootpr tonopr otnopr tnoopr ntoopr ontopr notopr rotonp ortonp rtoonp troonp otronp toronp rootnp orotnp rootnp orotnp oortnp oortnp rtoonp troonp rotonp ortonp toronp otronp otornp toornp ootrnp ootrnp toornp otornp rotnop ortnop rtonop tronop otrnop tornop rontop orntop rnotop nrotop onrtop nortop rtnoop trnoop rntoop nrtoop tnroop ntroop otnrop tonrop ontrop notrop tnorop ntorop roontp orontp roontp orontp oorntp oorntp ronotp ornotp rnootp nrootp onrotp norotp ronotp ornotp rnootp nrootp onrotp norotp oonrtp oonrtp onortp noortp onortp noortp rtonop tronop rotnop ortnop tornop otrnop rtnoop trnoop rntoop nrtoop tnroop ntroop rontop orntop rnotop nrotop onrtop nortop tonrop otnrop tnorop ntorop ontrop notrop otonrp toonrp ootnrp ootnrp toonrp otonrp otnorp tonorp ontorp notorp tnoorp ntoorp oontrp oontrp onotrp nootrp onotrp nootrp tonorp otnorp tnoorp ntoorp ontorp notorp
Note: these 'words' (valid or invalid) are all the permutations of the word proton. These words are obtained by scrambling the letters in proton.