alkyl lakyl aklyl kalyl lkayl klayl alykl laykl aylkl yalkl lyakl ylakl akyll kayll aykll yakll kyall ykall lkyal klyal lykal ylkal kylal yklal alkly lakly aklly kally lkaly klaly allky lalky allky lalky llaky llaky aklly kally alkly lakly klaly lkaly lklay kllay llkay llkay kllay lklay alylk laylk ayllk yallk lyalk ylalk allyk lalyk allyk lalyk llayk llayk ayllk yallk alylk laylk ylalk lyalk lylak yllak llyak llyak yllak lylak akyll kayll aykll yakll kyall ykall aklyl kalyl alkyl lakyl klayl lkayl aylkl yalkl alykl laykl ylakl lyakl kylal yklal klyal lkyal ylkal lykal lkyla klyla lykla ylkla kylla yklla lklya kllya llkya llkya kllya lklya lylka yllka llyka llyka yllka lylka kylla yklla klyla lkyla ylkla lykla
Note: these 'words' (valid or invalid) are all the permutations of the word alkyl. These words are obtained by scrambling the letters in alkyl.