triol rtiol tirol itrol ritol irtol troil rtoil toril otril rotil ortil tiorl itorl toirl otirl iotrl oitrl riotl irotl roitl oritl iortl oirtl trilo rtilo tirlo itrlo ritlo irtlo trlio rtlio tlrio ltrio rltio lrtio tilro itlro tliro ltiro iltro litro rilto irlto rlito lrito ilrto lirto troli rtoli torli otrli rotli ortli trloi rtloi tlroi ltroi rltoi lrtoi tolri otlri tlori ltori oltri lotri rolti orlti rloti lroti olrti lorti tiolr itolr toilr otilr iotlr oitlr tilor itlor tlior ltior iltor litor tolir otlir tloir ltoir oltir lotir ioltr oiltr ilotr liotr olitr loitr riolt irolt roilt orilt iorlt oirlt rilot irlot rliot lriot ilrot lirot rolit orlit rloit lroit olrit lorit iolrt oilrt ilort liort olirt loirt
Note: these 'words' (valid or invalid) are all the permutations of the word triol. These words are obtained by scrambling the letters in triol.