chiru hciru cihru ichru hicru ihcru chriu hcriu crhiu rchiu hrciu rhciu cirhu icrhu crihu rcihu irchu richu hircu ihrcu hricu rhicu irhcu rihcu chiur hciur cihur ichur hicur ihcur chuir hcuir cuhir uchir hucir uhcir ciuhr icuhr cuihr ucihr iuchr uichr hiucr ihucr huicr uhicr iuhcr uihcr chrui hcrui crhui rchui hrcui rhcui churi hcuri cuhri uchri hucri uhcri cruhi rcuhi curhi ucrhi ruchi urchi hruci rhuci hurci uhrci ruhci urhci ciruh icruh criuh rciuh ircuh ricuh ciurh icurh cuirh ucirh iucrh uicrh cruih rcuih curih ucrih rucih urcih iruch riuch iurch uirch ruich urich hiruc ihruc hriuc rhiuc irhuc rihuc hiurc ihurc huirc uhirc iuhrc uihrc hruic rhuic huric uhric ruhic urhic iruhc riuhc iurhc uirhc ruihc urihc
Note: these 'words' (valid or invalid) are all the permutations of the word chiru. These words are obtained by scrambling the letters in chiru.