-er -ol -up eee eel eeo eep eer eet ele ell elo elp elr elt elu eo- eoe eol eoo eop eor eot eou ep- epe epl epo epp epr ept epu ere erl ero erp err ert eru ete etl eto etp etr ett etu eu- eue eul eup eur eut l-p lee lel leo lep ler let leu lle lll llo llp llr llt llu loe lol loo lop lor lot lou lpe lpl lpo lpp lpr lpt lpu lro lrp lrr lrt lru lte ltl lto ltp ltr ltt ltu lue lul luo lup lur lut luu oee oel oeo oep oer oet ole oll olo olp olt olu oo- ool ooo oop oor oot op- ope opl opo opp opr opt or- ore orl oro orp orr ort oru ot- ote otl oto otp otr ott otu ou- oue oul ouo oup our out p-p pee pel peo pep per pet peu ple pll plo plp plr plt plu poe pol poo pop por pot pou ppe ppl ppo ppp ppr ppt ppu pre prl pro prp prr prt pru pt- pte ptl pto ptp ptr ptt ptu pue pul pup pur put puu re- ree rel reo rep rer ret reu rle rll rlo rlp rlr rlt rlu roe rol roo rop ror rot rou rpe rpl rpo rpp rpr rpt rpu rrl rrp rrr rrt rru rte rtl rto rtp rtr rtt rtu rue ruo rup rur rut ruu te- tee tel teo tep ter tet teu tle tll tlo tlp tlr tlt tlu to- toe tol too top tor tot tou tpe tpl tpo tpp tpr tpt tpu tre trl tro trp trr trt tru tte ttl tto ttp ttr ttt ttu tue tul tuo tup tur tut tuu uee uel uep uer uet ule ull ulo ulp ulr ult ulu uoe uol uoo uop uor uot up- upe upo upp upr upt upu ur- ure url uro urp urr urt uru ute utl uto utp utr utt utu uue uur uut uuu

eeee eele eero eete eetu el-p elee eleo eler elet elle ello ellu elpe elro elte elto elue elul eole eolo eore eorl eoto epee eper eple epll epol epor epot eppo eppp epro eprp epte erel erer eret erle erll eroe erol eroo erpe erre erro ertl ertu erur etee etel eter etoe etre etro ette etto ettu euer eule eur- eure euro eurt le-u leel leep leer leet lele lell lelo lelu leor leou lepe lepo lepp lept lere lero lerp lert lete leto lett leur llet lleu llll lloo loeu lole loll lolo looe lool loop loor loot lope lopp lopu lore loro lote lotl loto lotr lott loue loul loup lour lout louu lppl lprp lrpu lrrr ltee lttr luer lule lull lulu lupe lupo lupu lure lurt lute luup o-eo oele oere ole- oleo oler olet olle ollo olor olot olpe oltu olur ooer oolo oooo oore oort ootp opel opep oper opet ople opo- opor oppo opto ore- orel oreo orer orle orlo orlu oro- oroe oror orot orpe orro orte orto orup otee otep oter oto- otoe otoo otor otpp otre otro otte otto ottu otur ouer oule oulu oupe our- oure ouro ourt out- oute outo ouu- peel peep peer peet pel- pele pell pelo pelt pelu peor peou pepe pepo per- pere perl pero perp perr pert peru pete peto petr pett peul peur peut ple- plee pleo plet pleu ploo plop plot plou plpp pltt plue plup plur poel poer poet pole poll polo polt polu pool poop poor poot pop- pope popo popp popt pore poro porr port pote poto pott potu poul poup pour pout pper pple pplo pppo pppp ppru pptt ppur pre- pree prel prep pret preu prle prlr pro- proe prol proo prop prot prou prtp prtr prue prut pruu pter ptol ptop pu-e puel pueo puer puet pueu pule pull pulo pulp pult pulu pupe pupl pupu pur- pure purl puro purp purr puru put- pute puto putt putu reel reep reet rele rell relo relp relt reol reop reot reou repe repl repo repp repr rept repu rere rero rert reru rete reto retr rett reue reul reup reut reuu rlee rleu roel roer roet role roll rolo rolp rolt rool roop roor root rope ropo rore roro rort roru rote rotl roto rotr rott roue roul roup rout rpet rpoe rrle rrrr rtee rtle rtlt rttp ruel ruer ruet rule rull rulo rupe rupp rupt rure ruro rurp ruru rute rutl ruto rutt rutu teel teer teet tel- tele tell telo telt telu teor tepe tepp tepu ter- tere tero terp terr teru tete teto tetr tett tetu teut toee toer toet tol- tole toll tolo tolt tolu tool toor toot top- tope topo topp topt topu tore toro torp torr tort toru tote toto totr tott toul toup tour tout tper tpol tppp tppr tpte tptp tptr tput tre- tree treo tret treu troe troo trop trot trou trpe trpp trte trtr true trut truu tteo tter ttoe ttop tttt ttul tuel tuer tuet tule tull tulo tulp tulu tuor tupe tupo tupu ture turo turp turr turt turu tute tutl tuto tutt tutu tuuo u-rp uele uell ulee uleo ulle ullo ullr ulo- ulto ultt ulul uor- uore uplo upor uppe uppp uppu uptl upto upup ure- uret urle uro- urol uroo urpo urre urte urup urur urut utel utep uter utor utto uttu uulu uuuu

-tree e-pro eeeee eeler eepee el-op eleet elele eleo- eleot eleut ellel eller ellet elloe ellul eloee elole eloor elope elore eloro elote elout elpee elper eltro elulu eluru elute eorre epoll epopt epote epulo epure erept erere eroor erore eroto erpel errol error errtu erte ertel erter erupt etete etoll etool etoro etour etree ettel etter ettle eturu euell euler eurel euro- europ eurre l-pop leell leere leert lelep leleu lelle lepel leper lepet lepo- lepor leppe lepre lept- lepto lerer lerot letot