lakhs alkhs lkahs klahs aklhs kalhs lahks alhks lhaks hlaks ahlks halks lkhas klhas lhkas hlkas khlas hklas akhls kahls ahkls hakls khals hkals laksh alksh lkash klash aklsh kalsh laskh alskh lsakh slakh aslkh salkh lksah klsah lskah slkah kslah sklah akslh kaslh asklh saklh ksalh skalh lahsk alhsk lhask hlask ahlsk halsk lashk alshk lsahk slahk aslhk salhk lhsak hlsak lshak slhak hslak shlak ahslk haslk ashlk sahlk hsalk shalk lkhsa klhsa lhksa hlksa khlsa hklsa lksha klsha lskha slkha kslha sklha lhska hlska lshka slhka hslka shlka khsla hksla kshla skhla hskla shkla akhsl kahsl ahksl haksl khasl hkasl akshl kashl askhl sakhl ksahl skahl ahskl haskl ashkl sahkl hsakl shakl khsal hksal kshal skhal hskal shkal
Note: these 'words' (valid or invalid) are all the permutations of the word lakhs. These words are obtained by scrambling the letters in lakhs.