chirl hcirl cihrl ichrl hicrl ihcrl chril hcril crhil rchil hrcil rhcil cirhl icrhl crihl rcihl irchl richl hircl ihrcl hricl rhicl irhcl rihcl chilr hcilr cihlr ichlr hiclr ihclr chlir hclir clhir lchir hlcir lhcir cilhr iclhr clihr lcihr ilchr lichr hilcr ihlcr hlicr lhicr ilhcr lihcr chrli hcrli crhli rchli hrcli rhcli chlri hclri clhri lchri hlcri lhcri crlhi rclhi clrhi lcrhi rlchi lrchi hrlci rhlci hlrci lhrci rlhci lrhci cirlh icrlh crilh rcilh irclh riclh cilrh iclrh clirh lcirh ilcrh licrh crlih rclih clrih lcrih rlcih lrcih irlch rilch ilrch lirch rlich lrich hirlc ihrlc hrilc rhilc irhlc rihlc hilrc ihlrc hlirc lhirc ilhrc lihrc hrlic rhlic hlric lhric rlhic lrhic irlhc rilhc ilrhc lirhc rlihc lrihc
Note: these 'words' (valid or invalid) are all the permutations of the word chirl. These words are obtained by scrambling the letters in chirl.