hanks ahnks hnaks nhaks anhks nahks hakns ahkns hkans khans akhns kahns hnkas nhkas hknas khnas nkhas knhas ankhs nakhs aknhs kanhs nkahs knahs hansk ahnsk hnask nhask anhsk nahsk hasnk ahsnk hsank shank ashnk sahnk hnsak nhsak hsnak shnak nshak snhak anshk nashk asnhk sanhk nsahk snahk haksn ahksn hkasn khasn akhsn kahsn haskn ahskn hsakn shakn ashkn sahkn hksan khsan hskan shkan kshan skhan akshn kashn askhn sakhn ksahn skahn hnksa nhksa hknsa khnsa nkhsa knhsa hnska nhska hsnka shnka nshka snhka hksna khsna hskna shkna kshna skhna nksha knsha nskha snkha ksnha sknha anksh naksh aknsh kansh nkash knash anskh naskh asnkh sankh nsakh snakh aksnh kasnh asknh saknh ksanh skanh nksah knsah nskah snkah ksnah sknah
Note: these 'words' (valid or invalid) are all the permutations of the word hanks. These words are obtained by scrambling the letters in hanks.