litre iltre ltire tlire itlre tilre lirte ilrte lrite rlite irlte rilte ltrie tlrie lrtie rltie trlie rtlie itrle tirle irtle ritle trile rtile liter ilter ltier tlier itler tiler lietr iletr leitr elitr ieltr eiltr lteir tleir letir eltir telir etlir itelr tielr ietlr eitlr teilr etilr liret ilret lriet rliet irlet rilet liert ilert leirt elirt ielrt eilrt lreit rleit lerit elrit relit erlit irelt rielt ierlt eirlt reilt erilt ltrei tlrei lrtei rltei trlei rtlei lteri tleri letri eltri telri etlri lreti rleti lerti elrti relti erlti treli rteli terli etrli retli ertli itrel tirel irtel ritel triel rtiel iterl tierl ietrl eitrl teirl etirl iretl rietl iertl eirtl reitl eritl treil rteil teril etril retil ertil
Note: these 'words' (valid or invalid) are all the permutations of the word litre. These words are obtained by scrambling the letters in litre.