prehab rpehab perhab eprhab rephab erphab prheab rpheab phreab hpreab rhpeab hrpeab pehrab ephrab pherab hperab ehprab heprab rehpab erhpab rhepab hrepab ehrpab herpab preahb rpeahb perahb eprahb repahb erpahb praehb rpaehb parehb aprehb rapehb arpehb pearhb eparhb paerhb aperhb eaprhb aeprhb reaphb eraphb raephb arephb earphb aerphb prhaeb rphaeb phraeb hpraeb rhpaeb hrpaeb praheb rpaheb parheb aprheb rapheb arpheb phareb hpareb pahreb aphreb hapreb ahpreb rhapeb hrapeb rahpeb arhpeb harpeb ahrpeb peharb epharb phearb hpearb ehparb heparb peahrb epahrb paehrb apehrb eaphrb aephrb phaerb hpaerb paherb apherb haperb ahperb ehaprb heaprb eahprb aehprb haeprb aheprb rehapb erhapb rheapb hreapb ehrapb herapb reahpb erahpb raehpb arehpb earhpb aerhpb rhaepb hraepb rahepb arhepb harepb ahrepb eharpb hearpb eahrpb aehrpb haerpb aherpb prehba rpehba perhba eprhba rephba erphba prheba rpheba phreba hpreba rhpeba hrpeba pehrba ephrba pherba hperba ehprba heprba rehpba erhpba rhepba hrepba ehrpba herpba prebha rpebha perbha eprbha repbha erpbha prbeha rpbeha pbreha bpreha rbpeha brpeha pebrha epbrha pberha bperha ebprha beprha rebpha erbpha rbepha brepha ebrpha berpha prhbea rphbea phrbea hprbea rhpbea hrpbea prbhea rpbhea pbrhea bprhea rbphea brphea phbrea hpbrea pbhrea bphrea hbprea bhprea rhbpea hrbpea rbhpea brhpea hbrpea bhrpea pehbra ephbra phebra hpebra ehpbra hepbra pebhra epbhra pbehra bpehra ebphra bephra phbera hpbera pbhera bphera hbpera bhpera ehbpra hebpra ebhpra behpra hbepra bhepra rehbpa erhbpa rhebpa hrebpa ehrbpa herbpa rebhpa erbhpa rbehpa brehpa ebrhpa berhpa rhbepa hrbepa rbhepa brhepa hbrepa bhrepa ehbrpa hebrpa ebhrpa behrpa hberpa bherpa preabh rpeabh perabh eprabh repabh erpabh praebh rpaebh parebh aprebh rapebh arpebh pearbh eparbh paerbh aperbh eaprbh aeprbh reapbh erapbh raepbh arepbh earpbh aerpbh prebah rpebah perbah eprbah repbah erpbah prbeah rpbeah pbreah bpreah rbpeah brpeah pebrah epbrah pberah bperah ebprah beprah rebpah erbpah rbepah brepah ebrpah berpah prabeh rpabeh parbeh aprbeh rapbeh arpbeh prbaeh rpbaeh pbraeh bpraeh rbpaeh brpaeh pabreh apbreh pbareh bpareh abpreh bapreh rabpeh arbpeh rbapeh brapeh abrpeh barpeh peabrh epabrh paebrh apebrh eapbrh aepbrh pebarh epbarh pbearh bpearh ebparh beparh paberh apberh pbaerh bpaerh abperh baperh eabprh aebprh ebaprh beaprh abeprh baeprh reabph erabph raebph arebph earbph aerbph rebaph erbaph rbeaph breaph ebraph beraph rabeph arbeph rbaeph braeph abreph bareph eabrph aebrph ebarph bearph aberph baerph prhabe rphabe phrabe hprabe rhpabe hrpabe prahbe rpahbe parhbe aprhbe raphbe arphbe pharbe hparbe pahrbe aphrbe haprbe ahprbe rhapbe hrapbe rahpbe arhpbe harpbe ahrpbe prhbae rphbae phrbae hprbae rhpbae hrpbae prbhae rpbhae pbrhae bprhae rbphae brphae phbrae hpbrae pbhrae bphrae hbprae bhprae rhbpae hrbpae rbhpae brhpae hbrpae bhrpae prabhe rpabhe parbhe aprbhe rapbhe arpbhe prbahe rpbahe pbrahe bprahe rbpahe brpahe pabrhe apbrhe pbarhe bparhe abprhe baprhe rabphe arbphe rbaphe braphe abrphe barphe phabre hpabre pahbre aphbre hapbre ahpbre phbare hpbare pbhare bphare hbpare bhpare pabhre apbhre pbahre bpahre abphre baphre habpre ahbpre hbapre bhapre abhpre bahpre rhabpe hrabpe rahbpe arhbpe harbpe ahrbpe rhbape hrbape rbhape brhape hbrape bhrape rabhpe arbhpe rbahpe brahpe abrhpe barhpe habrpe ahbrpe hbarpe bharpe abhrpe bahrpe pehabr ephabr pheabr hpeabr ehpabr hepabr peahbr epahbr paehbr apehbr eaphbr aephbr phaebr hpaebr pahebr aphebr hapebr ahpebr ehapbr heapbr eahpbr aehpbr haepbr ahepbr pehbar ephbar phebar hpebar ehpbar hepbar pebhar epbhar pbehar bpehar ebphar bephar phbear hpbear pbhear bphear hbpear bhpear ehbpar hebpar ebhpar behpar hbepar bhepar peabhr epabhr paebhr apebhr eapbhr aepbhr pebahr epbahr pbeahr bpeahr ebpahr bepahr pabehr apbehr pbaehr bpaehr abpehr bapehr eabphr aebphr ebaphr beaphr abephr baephr phaber hpaber pahber aphber hapber ahpber phbaer hpbaer pbhaer bphaer hbpaer bhpaer pabher apbher pbaher bpaher abpher bapher habper ahbper hbaper bhaper abhper bahper ehabpr heabpr eahbpr aehbpr haebpr ahebpr ehbapr hebapr ebhapr behapr hbeapr bheapr eabhpr aebhpr ebahpr beahpr abehpr baehpr habepr ahbepr hbaepr bhaepr abhepr bahepr rehabp erhabp rheabp hreabp ehrabp herabp reahbp erahbp raehbp arehbp earhbp aerhbp rhaebp hraebp rahebp arhebp harebp ahrebp eharbp hearbp eahrbp aehrbp haerbp aherbp rehbap erhbap rhebap hrebap ehrbap herbap rebhap erbhap rbehap brehap ebrhap berhap rhbeap hrbeap rbheap brheap hbreap bhreap ehbrap hebrap ebhrap behrap hberap bherap reabhp erabhp raebhp arebhp earbhp aerbhp rebahp erbahp rbeahp breahp ebrahp berahp rabehp arbehp rbaehp braehp abrehp barehp eabrhp aebrhp ebarhp bearhp aberhp baerhp rhabep hrabep rahbep arhbep harbep ahrbep rhbaep hrbaep rbhaep brhaep hbraep bhraep rabhep arbhep rbahep brahep abrhep barhep habrep ahbrep hbarep bharep abhrep bahrep ehabrp heabrp eahbrp aehbrp haebrp ahebrp ehbarp hebarp ebharp beharp hbearp bhearp eabhrp aebhrp ebahrp beahrp abehrp baehrp haberp ahberp hbaerp bhaerp abherp baherp
Note: these 'words' (valid or invalid) are all the permutations of the word prehab. These words are obtained by scrambling the letters in prehab.