chatl hcatl cahtl achtl hactl ahctl chtal hctal cthal tchal htcal thcal cathl acthl ctahl tcahl atchl tachl hatcl ahtcl htacl thacl athcl tahcl chalt hcalt cahlt achlt haclt ahclt chlat hclat clhat lchat hlcat lhcat calht aclht claht lcaht alcht lacht halct ahlct hlact lhact alhct lahct chtla hctla cthla tchla htcla thcla chlta hclta clhta lchta hlcta lhcta ctlha tclha cltha lctha tlcha ltcha htlca thlca hltca lhtca tlhca lthca catlh actlh ctalh tcalh atclh taclh calth aclth clath lcath alcth lacth ctlah tclah cltah lctah tlcah ltcah atlch talch altch latch tlach ltach hatlc ahtlc htalc thalc athlc tahlc haltc ahltc hlatc lhatc alhtc lahtc htlac thlac hltac lhtac tlhac lthac atlhc talhc althc lathc tlahc ltahc
Note: these 'words' (valid or invalid) are all the permutations of the word chatl. These words are obtained by scrambling the letters in chatl.