resin ersin rsein srein esrin serin reisn erisn riesn iresn eirsn iersn rsien srien risen irsen siren isren esirn seirn eisrn iesrn siern isern resni ersni rseni sreni esrni serni rensi ernsi rnesi nresi enrsi nersi rsnei srnei rnsei nrsei snrei nsrei esnri senri ensri nesri sneri nseri reins erins riens irens eirns ierns renis ernis rneis nreis enris neris rines irnes rnies nries inres nires einrs ienrs enirs neirs iners niers rsine srine risne irsne sirne isrne rsnie srnie rnsie nrsie snrie nsrie rinse irnse rnise nrise inrse nirse sinre isnre snire nsire insre nisre esinr seinr eisnr iesnr sienr isenr esnir senir ensir nesir sneir nseir einsr iensr enisr neisr inesr niesr siner isner snier nsier inser niser
Note: these 'words' (valid or invalid) are all the permutations of the word resin. These words are obtained by scrambling the letters in resin.