chirp hcirp cihrp ichrp hicrp ihcrp chrip hcrip crhip rchip hrcip rhcip cirhp icrhp crihp rcihp irchp richp hircp ihrcp hricp rhicp irhcp rihcp chipr hcipr cihpr ichpr hicpr ihcpr chpir hcpir cphir pchir hpcir phcir ciphr icphr cpihr pcihr ipchr pichr hipcr ihpcr hpicr phicr iphcr pihcr chrpi hcrpi crhpi rchpi hrcpi rhcpi chpri hcpri cphri pchri hpcri phcri crphi rcphi cprhi pcrhi rpchi prchi hrpci rhpci hprci phrci rphci prhci cirph icrph criph rciph ircph ricph ciprh icprh cpirh pcirh ipcrh picrh crpih rcpih cprih pcrih rpcih prcih irpch ripch iprch pirch rpich prich hirpc ihrpc hripc rhipc irhpc rihpc hiprc ihprc hpirc phirc iphrc pihrc hrpic rhpic hpric phric rphic prhic irphc riphc iprhc pirhc rpihc prihc
Note: these 'words' (valid or invalid) are all the permutations of the word chirp. These words are obtained by scrambling the letters in chirp.