trine rtine tirne itrne ritne irtne trnie rtnie tnrie ntrie rntie nrtie tinre itnre tnire ntire intre nitre rinte irnte rnite nrite inrte nirte trien rtien tiren itren riten irten trein rtein terin etrin retin ertin tiern itern teirn etirn ietrn eitrn rietn iretn reitn eritn iertn eirtn trnei rtnei tnrei ntrei rntei nrtei treni rteni terni etrni retni ertni tneri nteri tenri etnri netri entri rneti nreti renti ernti nerti enrti tiner itner tnier ntier inter niter tienr itenr teinr etinr ietnr eitnr tneir nteir tenir etnir netir entir inetr nietr ientr eintr neitr enitr rinet irnet rniet nriet inret niret rient irent reint erint iernt eirnt rneit nreit renit ernit nerit enrit inert niert ienrt einrt neirt enirt
Note: these 'words' (valid or invalid) are all the permutations of the word trine. These words are obtained by scrambling the letters in trine.