hellos ehllos hlelos lhelos elhlos lehlos hellos ehllos hlelos lhelos elhlos lehlos hlleos lhleos hlleos lhleos llheos llheos ellhos lelhos ellhos lelhos llehos llehos helols ehlols hleols lheols elhols lehols heolls eholls hoells ohells eohlls oehlls hloels lhoels holels ohlels lohels olhels elohls leohls eolhls oelhls loehls olehls helols ehlols hleols lheols elhols lehols heolls eholls hoells ohells eohlls oehlls hloels lhoels holels ohlels lohels olhels elohls leohls eolhls oelhls loehls olehls hlloes lhloes hlloes lhloes llhoes llhoes hloles lholes holles ohlles lohles olhles hloles lholes holles ohlles lohles olhles llohes llohes lolhes ollhes lolhes ollhes ellohs lelohs ellohs lelohs lleohs lleohs elolhs leolhs eollhs oellhs loelhs olelhs elolhs leolhs eollhs oellhs loelhs olelhs lloehs lloehs lolehs ollehs lolehs ollehs hellso ehllso hlelso lhelso elhlso lehlso hellso ehllso hlelso lhelso elhlso lehlso hlleso lhleso hlleso lhleso llheso llheso ellhso lelhso ellhso lelhso llehso llehso helslo ehlslo hleslo lheslo elhslo lehslo hesllo ehsllo hsello shello eshllo sehllo hlselo lhselo hslelo shlelo lshelo slhelo elshlo leshlo eslhlo selhlo lsehlo slehlo helslo ehlslo hleslo lheslo elhslo lehslo hesllo ehsllo hsello shello eshllo sehllo hlselo lhselo hslelo shlelo lshelo slhelo elshlo leshlo eslhlo selhlo lsehlo slehlo hllseo lhlseo hllseo lhlseo llhseo llhseo hlsleo lhsleo hslleo shlleo lshleo slhleo hlsleo lhsleo hslleo shlleo lshleo slhleo llsheo llsheo lslheo sllheo lslheo sllheo ellsho lelsho ellsho lelsho llesho llesho elslho leslho esllho sellho lselho slelho elslho leslho esllho sellho lselho slelho llseho llseho lsleho slleho lsleho slleho helosl ehlosl hleosl lheosl elhosl lehosl heolsl eholsl hoelsl ohelsl eohlsl oehlsl hloesl lhoesl holesl ohlesl lohesl olhesl elohsl leohsl eolhsl oelhsl loehsl olehsl helsol ehlsol hlesol lhesol elhsol lehsol heslol ehslol hselol shelol eshlol sehlol hlseol lhseol hsleol shleol lsheol slheol elshol leshol eslhol selhol lsehol slehol heosll ehosll hoesll ohesll eohsll oehsll hesoll ehsoll hseoll sheoll esholl seholl hosell ohsell hsoell shoell oshell sohell eoshll oeshll esohll seohll osehll soehll hlosel lhosel holsel ohlsel lohsel olhsel hlsoel lhsoel hsloel shloel lshoel slhoel hoslel ohslel hsolel sholel oshlel sohlel loshel olshel lsohel slohel oslhel solhel eloshl leoshl eolshl oelshl loeshl oleshl elsohl lesohl eslohl selohl lseohl sleohl eoslhl oeslhl esolhl seolhl oselhl soelhl losehl olsehl lsoehl sloehl oslehl solehl helosl ehlosl hleosl lheosl elhosl lehosl heolsl eholsl hoelsl ohelsl eohlsl oehlsl hloesl lhoesl holesl ohlesl lohesl olhesl elohsl leohsl eolhsl oelhsl loehsl olehsl helsol ehlsol hlesol lhesol elhsol lehsol heslol ehslol hselol shelol eshlol sehlol hlseol lhseol hsleol shleol lsheol slheol elshol leshol eslhol selhol lsehol slehol heosll ehosll hoesll ohesll eohsll oehsll hesoll ehsoll hseoll sheoll esholl seholl hosell ohsell hsoell shoell oshell sohell eoshll oeshll esohll seohll osehll soehll hlosel lhosel holsel ohlsel lohsel olhsel hlsoel lhsoel hsloel shloel lshoel slhoel hoslel ohslel hsolel sholel oshlel sohlel loshel olshel lsohel slohel oslhel solhel eloshl leoshl eolshl oelshl loeshl oleshl elsohl lesohl eslohl selohl lseohl sleohl eoslhl oeslhl esolhl seolhl oselhl soelhl losehl olsehl lsoehl sloehl oslehl solehl hllose lhlose hllose lhlose llhose llhose hlolse lholse hollse ohllse lohlse olhlse hlolse lholse hollse ohllse lohlse olhlse llohse llohse lolhse ollhse lolhse ollhse hllsoe lhlsoe hllsoe lhlsoe llhsoe llhsoe hlsloe lhsloe hslloe shlloe lshloe slhloe hlsloe lhsloe hslloe shlloe lshloe slhloe llshoe llshoe lslhoe sllhoe lslhoe sllhoe hlosle lhosle holsle ohlsle lohsle olhsle hlsole lhsole hslole shlole lshole slhole hoslle ohslle hsolle sholle oshlle sohlle loshle olshle lsohle slohle oslhle solhle hlosle lhosle holsle ohlsle lohsle olhsle hlsole lhsole hslole shlole lshole slhole hoslle ohslle hsolle sholle oshlle sohlle loshle olshle lsohle slohle oslhle solhle lloshe lloshe lolshe ollshe lolshe ollshe llsohe llsohe lslohe sllohe lslohe sllohe loslhe olslhe lsolhe slolhe osllhe sollhe loslhe olslhe lsolhe slolhe osllhe sollhe ellosh lelosh ellosh lelosh lleosh lleosh elolsh leolsh eollsh oellsh loelsh olelsh elolsh leolsh eollsh oellsh loelsh olelsh lloesh lloesh lolesh ollesh lolesh ollesh ellsoh lelsoh ellsoh lelsoh llesoh llesoh elsloh lesloh eslloh selloh lseloh sleloh elsloh lesloh eslloh selloh lseloh sleloh llseoh llseoh lsleoh slleoh lsleoh slleoh eloslh leoslh eolslh oelslh loeslh oleslh elsolh lesolh eslolh selolh lseolh sleolh eosllh oesllh esollh seollh osellh soellh loselh olselh lsoelh sloelh oslelh solelh eloslh leoslh eolslh oelslh loeslh oleslh elsolh lesolh eslolh selolh lseolh sleolh eosllh oesllh esollh seollh osellh soellh loselh olselh lsoelh sloelh oslelh solelh lloseh lloseh lolseh ollseh lolseh ollseh llsoeh llsoeh lsloeh slloeh lsloeh slloeh losleh olsleh lsoleh sloleh oslleh solleh losleh olsleh lsoleh sloleh oslleh solleh
Note: these 'words' (valid or invalid) are all the permutations of the word hellos. These words are obtained by scrambling the letters in hellos.