hoper ohper hpoer phoer opher poher hoepr ohepr heopr ehopr oehpr eohpr hpeor pheor hepor ehpor pehor ephor opehr poehr oephr eophr peohr epohr hopre ohpre hpore phore ophre pohre horpe ohrpe hrope rhope orhpe rohpe hproe phroe hrpoe rhpoe prhoe rphoe oprhe porhe orphe rophe prohe rpohe hoerp oherp heorp ehorp oehrp eohrp horep ohrep hroep rhoep orhep rohep herop ehrop hreop rheop erhop rehop oerhp eorhp orehp roehp erohp reohp hpero phero hepro ehpro pehro ephro hpreo phreo hrpeo rhpeo prheo rpheo herpo ehrpo hrepo rhepo erhpo rehpo perho eprho preho rpeho erpho repho operh poerh oeprh eoprh peorh eporh opreh poreh orpeh ropeh proeh rpoeh oerph eorph oreph roeph eroph reoph peroh eproh preoh rpeoh erpoh repoh
Note: these 'words' (valid or invalid) are all the permutations of the word hoper. These words are obtained by scrambling the letters in hoper.