skail ksail sakil askil kasil aksil skial ksial sikal iskal kisal iksal saikl asikl siakl isakl aiskl iaskl kaisl akisl kiasl ikasl aiksl iaksl skali ksali sakli askli kasli aksli sklai kslai slkai lskai klsai lksai salki aslki slaki lsaki alski laski kalsi aklsi klasi lkasi alksi laksi skila ksila sikla iskla kisla iksla sklia kslia slkia lskia klsia lksia silka islka slika lsika ilska liska kilsa iklsa klisa lkisa ilksa liksa sailk asilk sialk isalk aislk iaslk salik aslik slaik lsaik alsik lasik silak islak sliak lsiak ilsak lisak ailsk ialsk alisk laisk ilask liask kails akils kials ikals aikls iakls kalis aklis klais lkais alkis lakis kilas iklas klias lkias ilkas likas ailks ialks aliks laiks ilaks liaks
Note: these 'words' (valid or invalid) are all the permutations of the word skail. These words are obtained by scrambling the letters in skail.