opo- opor oppo opto orce orch orco ore- orec oreh oreo orer orfe orff orhe oro- oroe orof oror orot orpc orpe orph orro ortc orte orth orto otee otep oter otfc otfp othe otho othr oto- otoe otof otoh otoo otor otpp otre otro otte otto pccc pcce pcep pcer pcfc pchp pcoe pcpp pcrc pcre pcrf pcte pece pech peco pecr pect peec peep peer peet pefc peff pehe peho pehr peor pepe pepo per- perc pere perf perh pero perp perr pert pete peth peto petr pett pfce pfet pfff pffr pfft pfte phcc phe- phet phht phoh phoo phot phrr poce poch poco poer poet poff poof pooh poop poor poot pop- popc pope popo popp popt porc pore poro porr port potc pote potf poth poto pott ppcc pper pppo pppp pprc pprf pptt prcc prcf prcp pre- prec pree pref prep pret prfc pro- proc proe prof proo prop prot prtc prtp prtr ptcc pter ptop ptrf pttc rccc rcep rcet rcfc rcpo rcpt rctc recc rece rech recp recr rect reef reep reet refe reff refr reft rehe reht reof reop reot repe repo repp repr rept rere rero rert rete reth reto retr rett rfef rffc rftc rhce rhcp rhee rheo rhet rhoc rhoh rocc roce roch roco roer roet rofc rofe roff rofo rohe rohr roof roop roor root rope ropo rorc rore roro rort rotc rote roth roto rotr rott rpet rpfc rpho rpoe rpof rrfc rrrr rtcc rtce rtee rtfc rttp tccc tcep tcfc tch- tche tchh tcho tchp tchr tcpo tctc tech teco tecr tect teec teef teer teet tefc teff teft teho tehr teoh teor tepe tepp ter- terc tere terf tero terp terr tete teth teto tetr tett tfec tfot tfpt tftc tftp thch the- thec thee thef theo thep ther thet thhp thoe thof thoo thor thot thpp thre thro thtr toce toch toco toee toeh toer toet toff tofo toft toho toof tooh toor toot top- tope topf toph topo topp topt torc tore torf toro torp torr tort totc tote toth toto totr tott tpcp tper tppp tppr tpte tptp tptr trcc tre- trec tree tref treo tret trfc trfr troc troe troo trop trot trpc trpe trpp trtc trte trtr ttcp tteo tter ttfc ttff ttoe ttop tttt

-tree c-cor c-p-c c-pop c-tec ccccc ccett cech ceche cecht ceco- ceere cefor ceoce ceoor cepet cepot ceppo cerc- cerce cerco cerec cerer ceret cero- ceroc cerre cerro certe ceto- cette cfhof chech cheep cheer cheet chefe cheff cheho chehr cheo chepe chepo chere chero cherp chert chete cheth cheto chett chher choco choff choof choop choor chope chopt chor- chore choro chort chote chott co-co co-op cocc- cocce cocco coceo coche cocto coepe coete cofer coffe cofre cohee cohoe cohoo cooch cooee cooer coope coopt coore coote cooth copce copec coper coppe coppo copr- copre copro copte copto corce core- coree corer corfe corfo coro- corop corot corpe corre corte corto cotch coter cothe cott- cotte cotto cpcfc cpctc cphpc crece creep creer creft creo- creop creot crepe crept crete croce croco croft crooe croop croot cropc crope cropo crore crote croth crott cteep ctree cttee e-pro eccho echte ecoff ecorp ectfe ecthr ecto- ector ectot eeeee eepee eetch efere efetf effer effet efore efter ehret eocho eofor eorre epcot eperc epher ephor epoch epopt epote eptfe erech erect erept erere eroor erore eroto error erte erter erthe etche etete ether etho- ethoc etoro etree etter feche fecht feeor feere fefor feher feoff ferce ferch feret ferr- ferre ferro ferte ferth fetch feteh feter feto- fetor fette focer foche focht foore foote force forch fore- foreh foreo foret forro forte forth forto fotch fotte fprot frcpc freeh freep freer freet frere frett froop froot frore frote froth ftrtt h-cho h-tcp hcooh he-he he-ro hecco heche hecht hect- hecte hecto heepe heere heete hefer heffe hefte hehte heore hepco heper hepet hepro hept- hepto herce heroe herpf herpt herre herro herte herth herto hetch heter hethe hetop hette hetto hheth hhfce hhhhh ho-ho ho-oh hocco hoche hoeft hofer hofte hohoe hohot hooce hooch hooer hooft hoope hoore hoort hopeh hoper hoppe hoppo hopto horce horch horhe horre horro horth horto hotch hotep hothe hothr hotot hotte hotto hreoc hrere hroch hropt hrrep hthrt htree httpr o-fer ocftc ocher ochre ochro ocoee ocote ocree octet octo- octor oeco- oeppo oerth offer offof offre offto ofher ofoto ofpop ofter ofthe oh-oh ohchr ohfoo ohrot ohthe oo-er oocre ooher ooooh ooooo oothe opepe opere opeth ophep opoho opper opter opto- optot optto orcet orcop orech oreco oreo- orere orero orfeh orfeo orfoe orfor oroch oroco oroer orphe orret orter ortet orth- orthe ortho ortoo otere otero other othre otoce ototo otpor otter p-rep pcept pcert pctct pecco peche peece peere peert peete peeth pepco pepee peppe pept- pepto perce perch perec perer peret perho perot perre perro perte perth perto petch petco peter petr- petre petro pette petto pforp phccc phecc pheer pheo- phere phfft phofo phore phot- photo phpht phrop phtpp po-po poche pocho pocop poete poher pooch pooer poope poopo poore poort poote popco poper popet popop poppe poppo porch porco porec porer poret poro- porro porte porth porto potch potco potec potee poter potoc potof potoo potop potor potpe potro potte potto prcht prece preco preef preff preop prete preto proch proer profe proff proft proof proor proot prop- prope propp propr propt prore prot- proto prtor ptech pter- ptere ptero ptprc ptpre ptprf ptprh ptpro ptprr ptprt r-co- recce recco recep recet reche recht recpt rect- recte recto reece reech reefe reeft reepe reere reerh reeth refco refer refet reffe reffo rehco reher rehet rehoe repco repec repet repop repor repot reppe repro reprt rere- reree reret retch retee reter rethe retop retro rette retto rheo- rhett rhoeo rhppc ro-ro rocco roche rocht rocor roero roffe rofor rohff rooer roofe rooft roope roore roote roper roppe rorer rotch roter rothe rotho roto- rotor