ltqi tlqi lqti qlti tqli qtli ltiq tliq litq iltq tilq itlq lqit qlit liqt ilqt qilt iqlt tqil qtil tiql itql qitl iqtl
Note: these 'words' (valid or invalid) are all the permutations of the word ltqi. These words are obtained by scrambling the letters in ltqi.