chirr hcirr cihrr ichrr hicrr ihcrr chrir hcrir crhir rchir hrcir rhcir cirhr icrhr crihr rcihr irchr richr hircr ihrcr hricr rhicr irhcr rihcr chirr hcirr cihrr ichrr hicrr ihcrr chrir hcrir crhir rchir hrcir rhcir cirhr icrhr crihr rcihr irchr richr hircr ihrcr hricr rhicr irhcr rihcr chrri hcrri crhri rchri hrcri rhcri chrri hcrri crhri rchri hrcri rhcri crrhi rcrhi crrhi rcrhi rrchi rrchi hrrci rhrci hrrci rhrci rrhci rrhci cirrh icrrh crirh rcirh ircrh ricrh cirrh icrrh crirh rcirh ircrh ricrh crrih rcrih crrih rcrih rrcih rrcih irrch rirch irrch rirch rrich rrich hirrc ihrrc hrirc rhirc irhrc rihrc hirrc ihrrc hrirc rhirc irhrc rihrc hrric rhric hrric rhric rrhic rrhic irrhc rirhc irrhc rirhc rrihc rrihc
Note: these 'words' (valid or invalid) are all the permutations of the word chirr. These words are obtained by scrambling the letters in chirr.