hykes yhkes hkyes khyes ykhes kyhes hyeks yheks heyks ehyks yehks eyhks hkeys kheys hekys ehkys kehys ekhys ykehs kyehs yekhs eykhs keyhs ekyhs hykse yhkse hkyse khyse ykhse kyhse hyske yhske hsyke shyke yshke syhke hksye khsye hskye shkye kshye skhye ykshe kyshe yskhe sykhe ksyhe skyhe hyesk yhesk heysk ehysk yehsk eyhsk hysek yhsek hsyek shyek yshek syhek hesyk ehsyk hseyk sheyk eshyk sehyk yeshk eyshk ysehk syehk esyhk seyhk hkesy khesy heksy ehksy kehsy ekhsy hksey khsey hskey shkey kshey skhey hesky ehsky hseky sheky eshky sehky keshy ekshy ksehy skehy eskhy sekhy ykesh kyesh yeksh eyksh keysh ekysh ykseh kyseh yskeh sykeh ksyeh skyeh yeskh eyskh ysekh syekh esykh seykh kesyh eksyh kseyh skeyh eskyh sekyh
Note: these 'words' (valid or invalid) are all the permutations of the word hykes. These words are obtained by scrambling the letters in hykes.