clith lcith cilth iclth licth ilcth cltih lctih ctlih tclih ltcih tlcih citlh ictlh ctilh tcilh itclh ticlh litch iltch ltich tlich itlch tilch cliht lciht cilht iclht licht ilcht clhit lchit chlit hclit lhcit hlcit cihlt ichlt chilt hcilt ihclt hiclt lihct ilhct lhict hlict ihlct hilct clthi lcthi ctlhi tclhi ltchi tlchi clhti lchti chlti hclti lhcti hlcti cthli tchli chtli hctli thcli htcli lthci tlhci lhtci hltci thlci htlci cithl icthl ctihl tcihl itchl tichl cihtl ichtl chitl hcitl ihctl hictl cthil tchil chtil hctil thcil htcil ithcl tihcl ihtcl hitcl thicl hticl lithc ilthc ltihc tlihc itlhc tilhc lihtc ilhtc lhitc hlitc ihltc hiltc lthic tlhic lhtic hltic thlic htlic ithlc tihlc ihtlc hitlc thilc htilc
Note: these 'words' (valid or invalid) are all the permutations of the word clith. These words are obtained by scrambling the letters in clith.