ranch arnch rnach nrach anrch narch racnh arcnh rcanh cranh acrnh carnh rncah nrcah rcnah crnah ncrah cnrah ancrh nacrh acnrh canrh ncarh cnarh ranhc arnhc rnahc nrahc anrhc narhc rahnc arhnc rhanc hranc ahrnc harnc rnhac nrhac rhnac hrnac nhrac hnrac anhrc nahrc ahnrc hanrc nharc hnarc rachn archn rcahn crahn acrhn carhn rahcn arhcn rhacn hracn ahrcn harcn rchan crhan rhcan hrcan chran hcran achrn cahrn ahcrn hacrn charn hcarn rncha nrcha rcnha crnha ncrha cnrha rnhca nrhca rhnca hrnca nhrca hnrca rchna crhna rhcna hrcna chrna hcrna nchra cnhra nhcra hncra chnra hcnra anchr nachr acnhr canhr ncahr cnahr anhcr nahcr ahncr hancr nhacr hnacr achnr cahnr ahcnr hacnr chanr hcanr nchar cnhar nhcar hncar chnar hcnar
Note: these 'words' (valid or invalid) are all the permutations of the word ranch. These words are obtained by scrambling the letters in ranch.