heros ehros hreos rheos erhos rehos heors ehors hoers ohers eohrs oehrs hroes rhoes hores ohres rohes orhes erohs reohs eorhs oerhs roehs orehs herso ehrso hreso rheso erhso rehso hesro ehsro hsero shero eshro sehro hrseo rhseo hsreo shreo rsheo srheo ersho resho esrho serho rseho sreho heosr ehosr hoesr ohesr eohsr oehsr hesor ehsor hseor sheor eshor sehor hoser ohser hsoer shoer osher soher eoshr oeshr esohr seohr osehr soehr hrose rhose horse ohrse rohse orhse hrsoe rhsoe hsroe shroe rshoe srhoe hosre ohsre hsore shore oshre sohre roshe orshe rsohe srohe osrhe sorhe erosh reosh eorsh oersh roesh oresh ersoh resoh esroh seroh rseoh sreoh eosrh oesrh esorh seorh oserh soerh roseh orseh rsoeh sroeh osreh soreh
Note: these 'words' (valid or invalid) are all the permutations of the word heros. These words are obtained by scrambling the letters in heros.