holing ohling hloing lhoing olhing lohing hoilng ohilng hiolng iholng oihlng iohlng hliong lhiong hilong ihlong lihong ilhong olihng loihng oilhng iolhng liohng ilohng holnig ohlnig hlonig lhonig olhnig lohnig honlig ohnlig hnolig nholig onhlig nohlig hlnoig lhnoig hnloig nhloig lnhoig nlhoig olnhig lonhig onlhig nolhig lnohig nlohig hoinlg ohinlg hionlg ihonlg oihnlg iohnlg honilg ohnilg hnoilg nhoilg onhilg nohilg hinolg ihnolg hniolg nhiolg inholg niholg oinhlg ionhlg onihlg noihlg inohlg niohlg hlinog lhinog hilnog ihlnog lihnog ilhnog hlniog lhniog hnliog nhliog lnhiog nlhiog hinlog ihnlog hnilog nhilog inhlog nihlog linhog ilnhog lnihog nlihog inlhog nilhog olinhg loinhg oilnhg iolnhg lionhg ilonhg olnihg lonihg onlihg nolihg lnoihg nloihg oinlhg ionlhg onilhg noilhg inolhg niolhg linohg ilnohg lniohg nliohg inlohg nilohg holign ohlign hloign lhoign olhign lohign hoilgn ohilgn hiolgn iholgn oihlgn iohlgn hliogn lhiogn hilogn ihlogn lihogn ilhogn olihgn loihgn oilhgn iolhgn liohgn ilohgn holgin ohlgin hlogin lhogin olhgin lohgin hoglin ohglin hgolin gholin oghlin gohlin hlgoin lhgoin hgloin ghloin lghoin glhoin olghin loghin oglhin golhin lgohin glohin hoigln ohigln hiogln ihogln oihgln iohgln hogiln ohgiln hgoiln ghoiln oghiln gohiln higoln ihgoln hgioln ghioln igholn giholn oighln ioghln ogihln goihln igohln giohln hligon lhigon hilgon ihlgon lihgon ilhgon hlgion lhgion hglion ghlion lghion glhion higlon ihglon hgilon ghilon ighlon gihlon lighon ilghon lgihon glihon iglhon gilhon olighn loighn oilghn iolghn lioghn iloghn olgihn logihn oglihn golihn lgoihn gloihn oiglhn ioglhn ogilhn goilhn igolhn giolhn ligohn ilgohn lgiohn gliohn iglohn gilohn holngi ohlngi hlongi lhongi olhngi lohngi honlgi ohnlgi hnolgi nholgi onhlgi nohlgi hlnogi lhnogi hnlogi nhlogi lnhogi nlhogi olnhgi lonhgi onlhgi nolhgi lnohgi nlohgi holgni ohlgni hlogni lhogni olhgni lohgni hoglni ohglni hgolni gholni oghlni gohlni hlgoni lhgoni hgloni ghloni lghoni glhoni olghni loghni oglhni golhni lgohni glohni hongli ohngli hnogli nhogli onhgli nohgli hognli ohgnli hgonli ghonli oghnli gohnli hngoli nhgoli hgnoli ghnoli ngholi gnholi onghli noghli ognhli gonhli ngohli gnohli hlngoi lhngoi hnlgoi nhlgoi lnhgoi nlhgoi hlgnoi lhgnoi hglnoi ghlnoi lghnoi glhnoi hngloi nhgloi hgnloi ghnloi nghloi gnhloi lnghoi nlghoi lgnhoi glnhoi nglhoi gnlhoi olnghi longhi onlghi nolghi lnoghi nloghi olgnhi lognhi oglnhi golnhi lgonhi glonhi onglhi noglhi ognlhi gonlhi ngolhi gnolhi lngohi nlgohi lgnohi glnohi nglohi gnlohi hoingl ohingl hiongl ihongl oihngl iohngl honigl ohnigl hnoigl nhoigl onhigl nohigl hinogl ihnogl hniogl nhiogl inhogl nihogl oinhgl ionhgl onihgl noihgl inohgl niohgl hoignl ohignl hiognl ihognl oihgnl iohgnl hoginl ohginl hgoinl ghoinl oghinl gohinl higonl ihgonl hgionl ghionl ighonl gihonl oighnl ioghnl ogihnl goihnl igohnl giohnl hongil ohngil hnogil nhogil onhgil nohgil hognil ohgnil hgonil ghonil oghnil gohnil hngoil nhgoil hgnoil ghnoil nghoil gnhoil onghil noghil ognhil gonhil ngohil gnohil hingol ihngol hnigol nhigol inhgol nihgol hignol ihgnol hginol ghinol ighnol gihnol hngiol nhgiol hgniol ghniol nghiol gnhiol inghol nighol ignhol ginhol ngihol gnihol oinghl ionghl onighl noighl inoghl nioghl oignhl iognhl oginhl goinhl igonhl gionhl ongihl nogihl ognihl gonihl ngoihl gnoihl ingohl nigohl ignohl ginohl ngiohl gniohl hlingo lhingo hilngo ihlngo lihngo ilhngo hlnigo lhnigo hnligo nhligo lnhigo nlhigo hinlgo ihnlgo hnilgo nhilgo inhlgo nihlgo linhgo ilnhgo lnihgo nlihgo inlhgo nilhgo hligno lhigno hilgno ihlgno lihgno ilhgno hlgino lhgino hglino ghlino lghino glhino higlno ihglno hgilno ghilno ighlno gihlno lighno ilghno lgihno glihno iglhno gilhno hlngio lhngio hnlgio nhlgio lnhgio nlhgio hlgnio lhgnio hglnio ghlnio lghnio glhnio hnglio nhglio hgnlio ghnlio nghlio gnhlio lnghio nlghio lgnhio glnhio nglhio gnlhio hinglo ihnglo hniglo nhiglo inhglo nihglo hignlo ihgnlo hginlo ghinlo ighnlo gihnlo hngilo nhgilo hgnilo ghnilo nghilo gnhilo inghlo nighlo ignhlo ginhlo ngihlo gnihlo lingho ilngho lnigho nligho inlgho nilgho lignho ilgnho lginho glinho iglnho gilnho lngiho nlgiho lgniho glniho ngliho gnliho inglho niglho ignlho ginlho ngilho gnilho olingh loingh oilngh iolngh liongh ilongh olnigh lonigh onligh noligh lnoigh nloigh oinlgh ionlgh onilgh noilgh inolgh niolgh linogh ilnogh lniogh nliogh inlogh nilogh olignh loignh oilgnh iolgnh liognh ilognh olginh loginh oglinh golinh lgoinh gloinh oiglnh ioglnh ogilnh goilnh igolnh giolnh ligonh ilgonh lgionh glionh iglonh gilonh olngih longih onlgih nolgih lnogih nlogih olgnih lognih oglnih golnih lgonih glonih onglih noglih ognlih gonlih ngolih gnolih lngoih nlgoih lgnoih glnoih ngloih gnloih oinglh ionglh oniglh noiglh inoglh nioglh oignlh iognlh oginlh goinlh igonlh gionlh ongilh nogilh ognilh gonilh ngoilh gnoilh ingolh nigolh ignolh ginolh ngiolh gniolh lingoh ilngoh lnigoh nligoh inlgoh nilgoh lignoh ilgnoh lginoh glinoh iglnoh gilnoh lngioh nlgioh lgnioh glnioh nglioh gnlioh ingloh nigloh ignloh ginloh ngiloh gniloh
Note: these 'words' (valid or invalid) are all the permutations of the word holing. These words are obtained by scrambling the letters in holing.