telcu etlcu tlecu ltecu eltcu letcu teclu etclu tcelu ctelu ectlu cetlu tlceu ltceu tcleu ctleu lcteu clteu elctu lectu ecltu celtu lcetu cletu teluc etluc tleuc lteuc eltuc letuc teulc etulc tuelc utelc eutlc uetlc tluec ltuec tulec utlec lutec ultec elutc leutc eultc ueltc luetc uletc tecul etcul tceul cteul ectul cetul teucl etucl tuecl utecl eutcl uetcl tcuel ctuel tucel utcel cutel uctel ecutl ceutl euctl uectl cuetl ucetl tlcue ltcue tclue ctlue lctue cltue tluce ltuce tulce utlce lutce ultce tcule ctule tucle utcle cutle uctle lcute clute lucte ulcte culte uclte elcut lecut eclut celut lceut cleut eluct leuct eulct uelct luect ulect ecult ceult euclt ueclt cuelt ucelt lcuet cluet lucet ulcet culet uclet
Note: these 'words' (valid or invalid) are all the permutations of the word telcu. These words are obtained by scrambling the letters in telcu.