ylkes lykes ykles kyles lkyes klyes yleks lyeks yelks eylks leyks elyks ykels kyels yekls eykls keyls ekyls lkeys kleys lekys elkys kelys eklys ylkse lykse yklse kylse lkyse klyse ylske lyske yslke sylke lsyke slyke yksle kysle yskle sykle ksyle skyle lksye klsye lskye slkye kslye sklye ylesk lyesk yelsk eylsk leysk elysk ylsek lysek yslek sylek lsyek slyek yeslk eyslk yselk syelk esylk seylk lesyk elsyk lseyk sleyk eslyk selyk ykesl kyesl yeksl eyksl keysl ekysl yksel kysel yskel sykel ksyel skyel yeskl eyskl ysekl syekl esykl seykl kesyl eksyl kseyl skeyl eskyl sekyl lkesy klesy leksy elksy kelsy eklsy lksey klsey lskey slkey ksley skley lesky elsky lseky sleky eslky selky kesly eksly ksely skely eskly sekly
Note: these 'words' (valid or invalid) are all the permutations of the word ylkes. These words are obtained by scrambling the letters in ylkes.