krill rkill kirll ikrll rikll irkll krlil rklil klril lkril rlkil lrkil kilrl iklrl klirl lkirl ilkrl likrl rilkl irlkl rlikl lrikl ilrkl lirkl krill rkill kirll ikrll rikll irkll krlil rklil klril lkril rlkil lrkil kilrl iklrl klirl lkirl ilkrl likrl rilkl irlkl rlikl lrikl ilrkl lirkl krlli rklli klrli lkrli rlkli lrkli krlli rklli klrli lkrli rlkli lrkli kllri lklri kllri lklri llkri llkri rllki lrlki rllki lrlki llrki llrki killr ikllr klilr lkilr ilklr liklr killr ikllr klilr lkilr ilklr liklr kllir lklir kllir lklir llkir llkir illkr lilkr illkr lilkr llikr llikr rillk irllk rlilk lrilk ilrlk lirlk rillk irllk rlilk lrilk ilrlk lirlk rllik lrlik rllik lrlik llrik llrik illrk lilrk illrk lilrk llirk llirk
Note: these 'words' (valid or invalid) are all the permutations of the word krill. These words are obtained by scrambling the letters in krill.