-er eee eef eeo eep eer eet ef- efe eff efi efo efp efr eft eie eif eii eio eip eir eit eo- eoe eof eoi eoo eop eor eot ep- epe epf epi epo epp epr ept ere erf eri ero erp err ert ete etf eti eto etp etr ett fee fef fei feo fep fer fet ffe fff ffi ffo ffp ffr fft fie fif fii fip fir fit foe fof foi foo fop for fot fpe fpi fpo fpp fpr fpt fre frf fri fro frp frr frt fte ftf fti fto ftp ftr ftt i-f ie- iee ief iei iep ier iet ife iff ifi ifo ifp ifr ift iie iif iii iio iip iir iit io- ioe iof ioi ioo iop ior iot ipe ipf ipi ipo ipp ipr ipt ir- ire irf iri iro irp irr irt ite itf iti ito itp itt o-i oee oef oei oeo oep oer oet of- ofe off ofi ofo ofp ofr oft oie oif oii oio oip oir oit oo- oof ooi ooo oop oor oot op- ope opf opi opo opp opr opt or- ore orf ori oro orp orr ort ot- ote otf oti oto otp otr ott p-p pee pef pei peo pep per pet pfe pff pfi pfo pfp pfr pft pie pif pii pio pip pir pit poe pof poi poo pop por pot ppe ppf ppi ppo ppp ppr ppt pre prf pri pro prp prr prt pt- pte ptf pti pto ptp ptr ptt re- ree ref rei reo rep rer ret rfe rff rfi rfo rfp rfr rft rie rif rii rio rip rir rit roe rof roi roo rop ror rot rpe rpf rpi rpo rpp rpr rpt rrf rri rrp rrr rrt rte rtf rti rto rtp rtr rtt te- tee tef tei teo tep ter tet tfe tff tfi tfo tfp tfr tft tie tif tii tio tip tir tit to- toe tof toi too top tor tot tpe tpf tpi tpo tpp tpr tpt tre trf tri tro trp trr trt tte ttf tti tto ttp ttr ttt

eeee eefe eero eete efeo efet effi efit efor eft- eftp eiei eier eipo eipr eire eiti eito eitr eoir eore eori eoto epee eper epi- epie epip epit epor epot eppo eppp epro eprp epte erei erer eret erft erie erio erit eroe eroi eroo erpe erre erro etee eter etfe etio etoe etre etro ette etti etto feer feet fefe feff fefi fefo feie feio feir feit feof fere fero ferr fert fete feti fetp fetr fett ffee ffff ffii ffrr fftf fief fier fife fiff fifi fifo fift fiii fioe fior fipp fire fite fiti fitt foer fofo foie foof foot fopp for- fore fori foro forr fort fote foti foto fotp fott fprf free frei freo frep fret frie frio frip frit froe frop frot fter ftii ftop ftpe ieet ieie ieio iere ieri ietf iett ifer ifit ifor ifpo ifrf ifri ifto iiie iiii iiio iiit iioi iioo iiop iipf iitr iitt ioee ioii ioio ioit ioof iooi iooo iore iori iote iotf ioto iper ipet ipie ipoe ipop ippf ippo ippr ipri ipto iree irer irfe iri- irie irio irip irop irpe irre irri irte irtf irti irtp itep iter itet itie itif itof itoi itoo itor itrf itri ittf itto o-eo oere oeti ofer off- offe offo offr ofit ofor ofre oftp oier oiii oire oirt oiti ooer ooff oooo oore oort ootp opei opep oper opet opie opii opio opit opo- opor oppi oppo opti opto ore- oreo orer orfe orff orfi ori- orie orif orio orit oro- oroe orof oror orot orpe orpi orri orro orte orto otee otep oter otfp otif otit oto- otoe otof otoo otor otpp otre otro otte otti otto peep peer peet peff peio peip peir peit peor pepe pepi pepo per- pere perf peri pero perp perr pert pete peti peto petr pett pfet pfff pffr pfft pfit pfte piep pier piet piff piip piot pipe pipi pipo pipp pire piri piro pirr pite pitf piti pito pitr pitt poer poet poff pofi poio poof poop poor poot pop- pope popi popo popp popt pore pori poro porr port pote potf poti poto pott pper ppie ppif pppo pppp pprf pptt pre- pree pref prep pret pri- prie prif prii pro- proe prof proo prop prot prri prti prtp prtr pter ptop ptrf reef reep reet refe reff refi refr reft reif reii reir reit reof reop reot repe repi repo repp repr rept rere reri rero rert rete reti reto retr rett rfef rief riep rier riet rife riff rift riif riot ripe ripi ripp ripr ript rire riri rite riti rito ritt roer roet rofe roff rofo roif roio roir roit roof rooi roop roor root rope ropo rore rori roro rort rote roti roto rotr rott rpet rpii rpoe rpof rrif rrrr rtee rtei rttp 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 tie- tiee tief tiei tieo tiep tier tiet tiff tifo tift tiit tiop tip- tipe tipi tipo tipp tipt tire tiri tiro tirr tite titi tito titp titt toee toei toer toet toff tofi tofo toft toie toit toof toor toot top- tope topf topi topo topp topt tore torf tori toro torp torr tort tote toti toto totr tott tper tpir tppp tppr tpte tptp tptr tre- tree tref trei treo tret trfr tri- trie trif trio trip trit troe troi troo trop trot trpe trpp trte trtr tteo tter ttff ttoe ttop tttt

-tree e-fit e-pro eeeee eepee eerie eetti efere eferi efetf effer effet effie effio efore efrei efter eieio eipri eirie eiter eitri eofor eorre epopt epote eppie eptfe erept erere erier eriff erio- erite eroor erore eroto error erte erter etete etio- etite etoro etree etter ettie feeor feere fefor