-er -up eee eeo eep eer eet eie eii eio eip eir eit eiu eo- eoe eoi eoo eop eor eot eou ep- epe epi epo epp epr ept epu ere eri ero erp err ert eru ete eti eto etp etr ett etu eu- eue eui eup eur eut ie- iee iei iep ier iet iie iii iio iip iir iit iiu io- ioe ioi ioo iop ior iot iou ipe ipi ipo ipp ipr ipt ipu ir- ire iri iro irp irr irt iru ite iti ito itp itt itu iu- iue iui iup iur iut o-i oee oei oeo oep oer oet oie oii oio oip oir oit oiu oo- ooi ooo oop oor oot op- ope opi opo opp opr opt or- ore ori oro orp orr ort oru ot- ote oti oto otp otr ott otu ou- oue oui ouo oup our out p-p pee pei peo pep per pet peu pie pii pio pip pir pit piu poe poi poo pop por pot pou ppe ppi ppo ppp ppr ppt ppu pre pri pro prp prr prt pru pt- pte pti pto ptp ptr ptt ptu pue pui pup pur put puu re- ree rei reo rep rer ret reu rie rii rio rip rir rit roe roi roo rop ror rot rou rpe rpi rpo rpp rpr rpt rpu rri rrp rrr rrt rru rte rti rto rtp rtr rtt rtu rue rui ruo rup rur rut ruu te- tee tei teo tep ter tet teu tie tii tio tip tir tit tiu to- toe toi too top tor tot tou tpe tpi tpo tpp tpr tpt tpu tre tri tro trp trr trt tru tte tti tto ttp ttr ttt ttu tue tui tuo tup tur tut tuu uee uei uep uer uet uie uii uio uip uir uit uiu uoe uoo uop uor uot up- upe upi upo upp upr upt upu ur- ure uri uro urp urr urt uru ute uti uto utp utr utt utu uue uur uut uuu

eeee eero eete eetu eiei eier eiou 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 erie erio erit eriu eroe eroi eroo erpe erre erro ertu erur etee eter etio etoe etre etro ette etti etto ettu etui euer euoi eur- eure euro eurt ieet ieie ieio iere ieri iett iiie iiii iiio iiit iioi iioo iiop iitr iitt ioee ioii ioio ioit iooi iooo iore iori iote ioto iper ipet ipie ipoe ipop ippo ippr ipri ipto ipur iput iree irer iri- irie irio irip irop irpe irre irri irte irti irtp itep iter itet itie itoi itoo itor itou itri itto itup itur iuiu iupp o-eo oere oeti oier oiii oire oirt oiti ooer oooo oore oort ootp opei opep oper opet opie opii opio opit opo- opor oppi oppo opti opto ore- oreo orer ori- orie orio orit oro- oroe oror orot orpe orpi orri orro orte orto orup otee otep oter otit oto- otoe otoo otor otpp otre otro otte otti otto ottu otur ouer ouie ouii ouir ouit oupe our- oure ouro ourt out- oute outi outo ouu- peep peer peet peio peip peir peit peor peou pepe pepi pepo per- pere peri pero perp perr pert peru pete peti peto petr pett peur peut piep pier piet piip piot pipe pipi pipo pipp pire piri piro pirr piru pite piti pito pitr pitt pitu poer poet poio poop poor poot pop- pope popi popo popp popt pore pori poro porr port pote poti poto pott potu poui poup pour pout pper ppie pppo pppp ppru pptt ppur pre- pree prep pret preu pri- prie prii pro- proe proo prop prot prou prri prti prtp prtr prue prut pruu pter ptop ptui pu-e pueo puer puet pueu puir puit puiu pupe pupi pupu pur- pure puri puro purp purr puru put- pute puti puto putt putu reep reet reii reir reit reiu reop reot reou repe repi repo repp repr rept repu rere reri rero rert reru rete reti reto retr rett reue reup reut reuu riep rier riet rieu riot riou ripe ripi ripp ripr ript rire riri rite riti rito ritt ritu riue roer roet roio roir roit roiu rooi roop roor root rope ropo rore rori roro rort roru rote roti roto rotr rott roue roup rout rpet rpii rpoe rrrr rtee rtei rttp ruer ruet ruit rupe rupp rupt rure ruri ruro rurp ruru rute ruti ruto rutt rutu teer teet teie teip teir teiu teor tepe tepi tepp tepu ter- tere teri tero terp terr teru tete teti teto tetr tett tetu teut tie- tiee tiei tieo tiep tier tiet tiit tiiu tiop tiou tip- tipe tipi tipo tipp tipt tipu tire tiri tiro tirr tiru tite titi tito titp titt titu toee toei toer toet toie toit toor toot top- tope topi topo topp topt topu tore tori toro torp torr tort toru tote toti toto totr tott toui toup tour tout tper tpir tppp tppr tpte tptp tptr tput tre- tree trei treo tret treu tri- trie trio trip trit troe troi troo trop trot trou trpe trpp trte trtr true trut truu tteo tter ttoe ttop tttt tuei tuer tuet tuit tuiu tuor tupe tupi tupo tupu ture turi turo turp turr turt turu tute tuti tuto tutt tutu tuuo u-ie u-rp ueir uepi uipi uirr uor- uore upie upor uppe uppp uppu upri upto upup ure- uret urie uriu uro- uroo urpo urre urri urte urup urur urut utep uter utor utri utti utto uttu uuri uuuu

-tree e-pro eeeee eepee eerie eetti eieio eipri eirie eiter eitri eorre epopt epote eppie epure erept erere erier erio- erite eritu eroor erore eroto error errtu erte erter erupt etete etio- etite etoro etour etree etter ettie eturu euro- europ eurre ieiri iepe ieper ierei ieroe iette iiiee iiiii iitti