kshun skhun khsun hksun shkun hskun ksuhn skuhn kushn ukshn sukhn uskhn khusn hkusn kuhsn ukhsn huksn uhksn shukn hsukn suhkn ushkn huskn uhskn kshnu skhnu khsnu hksnu shknu hsknu ksnhu sknhu knshu nkshu snkhu nskhu khnsu hknsu knhsu nkhsu hnksu nhksu shnku hsnku snhku nshku hnsku nhsku ksunh skunh kusnh uksnh suknh usknh ksnuh sknuh knsuh nksuh snkuh nskuh kunsh uknsh knush nkush unksh nuksh sunkh usnkh snukh nsukh unskh nuskh khuns hkuns kuhns ukhns hukns uhkns khnus hknus knhus nkhus hnkus nhkus kunhs uknhs knuhs nkuhs unkhs nukhs hunks uhnks hnuks nhuks unhks nuhks shunk hsunk suhnk ushnk husnk uhsnk shnuk hsnuk snhuk nshuk hnsuk nhsuk sunhk usnhk snuhk nsuhk unshk nushk hunsk uhnsk hnusk nhusk unhsk nuhsk
Note: these 'words' (valid or invalid) are all the permutations of the word kshun. These words are obtained by scrambling the letters in kshun.