opti opto orde ordo ore- ored oreo orer orfe orff orfi ori- orid orie orif orio orit oro- oroe orof oror orot orpe orpi orri orro orte orto oted otee otep oter otfp otif otit oto- otoe otof otoo otor otpp otre otro otte otti otto pdpr ped- pede pedf pedi pedo peed peep peer peet peff peio peip peir peit peor pepd pepe pepi pepo per- perd pere perf peri pero perp perr pert pete peti peto petr pett pfet pfff pffr pfft pfit pfte pide pido pied piep pier piet piff piip piot pipe pipi pipo pipp pire piri piro pirr pite pitf piti pito pitr pitt pod- podd pode podi podo poed poer poet poff pofi poid poio pood poof poop poor poot pop- pope popi popo popp popt pore pori poro porr port potd pote potf poti poto pott pper ppid ppie ppif ppod pppd pppo pppp pprf pptt pre- pred pree pref prep pret pri- prid prie prif prii pro- prod proe prof proo prop prot prpd prrd prri prti prtp prtr pter ptop ptpd ptrd ptrf rder rdio redd rede redi redo redr reed reef reep reet refd refe reff refi refr reft reid reif reii reir reit reod reof reop reot repe repi repo repp repr rept rerd rere reri rero rert retd rete reti reto retr rett rfdi rfef rfid ridd ride ridi rido ried rief riep rier riet rife riff rift riif riot ripd ripe ripi ripp ripr ript rire riri rite riti rito ritt rodd rode rodi rodo roed roer roet rofe roff rofo roid roif roio roir roit rood roof rooi roop roor root rope ropo rore rori roro rort rote roti roto rotr rott rpdp rpet rpii rpoe rpof rptd rred rrif rrrr rtdt rtee rtei rttp tdff tdor tdri tedd tede tedi teed teef teer teet teff tefi teft teie teip teir teor tepe tepi tepp ter- tere terf teri tero terp terr tete teti teto tetr tett tfot tfpt tftp tidd tide tie- tied tiee tief tiei tieo tiep tier tiet tiff tifo tift tiit tiop tip- tipe tipi tipo tipp tipt tird tire tiri tiro tirr tite titi tito titp titt todd tode todi todo todt toed toee toei toer toet toff tofi tofo toft toid toie toit tood toof toor toot top- topd tope topf topi topo topp topt tord tore torf tori toro torp torr tort totd tote toti toto totr tott tpdf tped tper tpir tppd tppp tppr tpte tptp tptr tre- tred tree tref trei treo tret trfd trfr tri- trie trif trio trip trit trod troe troi troo trop trot trpe trpp trte trtr tteo tter ttff ttoe ttop tttt

-tree d-dot d-rod ddddd dedde dedee deder dedie dedir dedit deede deedi deefe deeff deepe deepp deere defed defeo defer defet deffe deffo defie defoe defot deidt deiff deipe deite deore deori deoro depoe depop depor depot derde dered derio dero- derpt derre derro deter detie detoo detre dette didee didie didio didit didot didto dieof diepe diepo dieri diete dieto difot diiop diode dioid diore dioro dioti dipod dired direr dirfi dirie diter dittd ditti ditto do-do dodie dodoo dodro doerr dofor doido doiop doire doodo doofi doore doote dopdf doped doper dopet doppe dordt dored doree doret dorff dorid dorie dorio dorit dorot dorpe dorre dorte doted doter dotid dotoo dotti dotto drdre dredd drede dreed dreep dreff dreft dreid dreie dreof drepe drere dride dried drier drife driff drift dripe dript drite drode drofe droff droid droit drood droof droop drop- drope dropi dropo dropt drori drote drott e-dee e-fit e-otd e-pro edder eddie eddir eddit eddoe eddre edeo- edere edfor edidi edifi edito edoor edott edred eeeee eefde eeped eepee eerde eerie eetti efere eferi efetf effed effer effet effie effio efird efore efrei efter eider eidet eido- eidoi eieio eipri eirie eiter eitri eofor eorre epode epopt epote eppie eptfe erdor erdre erede erept erere erfde erier eriff erio- erite erode erodr eroor erore eroto erred error erte erter etete etio- etite etoro etree etter ettie fedde fedee feder fedor fedto feeor feere fefor feier feird feode feoff feood ferde ferdi fered feret ferid ferie ferio ferit ferr- ferre ferri ferro ferte feted feter feti- fetid fetii fetir feto- fetor fette fided fidei fidor fieee fieri fiero fifed fifer fifie fiord fiore fiori fired firee firei firer firie firit firpo firre fitit fitof fitor fitri fitte fitto fodor foeti foir- foire foord foore foote footi ford- forde fordo fordp fore- foreo foret forio forit forro forte forti forto fotte fprot frede fredi fredo freed freei freep freer freet freir freit frere frett fride fried frier fripp frite frito fritt frodo froed froid froit frood froop froot frore frote ftord ftrtt ideo- ideot idied idio- idiot idodi idood idote idoto idrop ieiri iepe ieper ierei ieroe iette if-- ifere iffet ifido ifood ifrit iftop ifttt iiiee iiiii iitti iodid iodo- ioffe ioooi ioooo iorio iotit iotti iperf ipeti ipiti ipopt iport ippee ippei irepo irete irid- iride irido irite irori irrep irrit itdid itero itete itfet itfit itfor itire itoff itpro itrip itrod itter ittoo ittre ittti o-fer odder oddie odeto odiid odire odore odori odrie odttf oeiro oeppo oerid offed offer offie offir offit offof offre offto ofori ofoto ofpie ofpop ofter oidei oidor oirot oitti oo-er ooioo ooooo oopod oorie ootid op-ed opepe opere opier opiet opio- opiod opir opito opodo opped opper oppie opted opter optio opto- optot optto order ordet ordie ordre ordro oredo oreed oreo- oreoi orere orero orfei orfeo orfoe orfor orito orodo oroer oropi orped orpit orret orter ortet ortoo otere oteri otero otori ototo otpor otter ottir ottoi p-rep pdiff pedee pedi- pedie pedir pedo- pedot pedro peere peeri peert peete peire peirt pepee pepoi peppe peppi pept- pepto perde perer peret peri- perid perie perio perit perot perre perri perro perte perti perto peter petie petit petr- petre petri petro pette petti petto pforp pided piede piere