laith alith liath ilath ailth ialth latih altih ltaih tlaih atlih talih litah iltah ltiah tliah itlah tilah aitlh iatlh atilh tailh italh tialh laiht aliht liaht ilaht ailht ialht lahit alhit lhait hlait ahlit halit lihat ilhat lhiat hliat ihlat hilat aihlt iahlt ahilt hailt ihalt hialt lathi althi ltahi tlahi atlhi talhi lahti alhti lhati hlati ahlti halti lthai tlhai lhtai hltai thlai htlai athli tahli ahtli hatli thali htali litha iltha ltiha tliha itlha tilha lihta ilhta lhita hlita ihlta hilta lthia tlhia lhtia hltia thlia htlia ithla tihla ihtla hitla thila htila aithl iathl atihl taihl itahl tiahl aihtl iahtl ahitl haitl ihatl hiatl athil tahil ahtil hatil thail htail ithal tihal ihtal hital thial htial
Note: these 'words' (valid or invalid) are all the permutations of the word laith. These words are obtained by scrambling the letters in laith.