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