trior rtior tiror itror ritor irtor troir rtoir torir otrir rotir ortir tiorr itorr toirr otirr iotrr oitrr riotr irotr roitr oritr iortr oirtr triro rtiro tirro itrro ritro irtro trrio rtrio trrio rtrio rrtio rrtio tirro itrro triro rtiro irtro ritro rirto irrto rrito rrito irrto rirto trori rtori torri otrri rotri ortri trroi rtroi trroi rtroi rrtoi rrtoi torri otrri trori rtori ortri rotri rorti orrti rroti rroti orrti rorti tiorr itorr toirr otirr iotrr oitrr tiror itror trior rtior irtor ritor torir otrir troir rtoir ortir rotir iortr oirtr irotr riotr oritr roitr riort irort roirt orirt iorrt oirrt rirot irrot rriot rriot irrot rirot rorit orrit rroit rroit orrit rorit iorrt oirrt irort riort orirt roirt
Note: these 'words' (valid or invalid) are all the permutations of the word trior. These words are obtained by scrambling the letters in trior.