eeee eele eero eete eiei eier eile eipo eipr eire eiti eito eitr el-p elee eleo eler elet elie elil elio elit elle elli ello eloi elpe elpi elro elte elto eoir eole eoli eolo eore eori eorl eoto epee eper epi- epie epil epip epit eple epll epol epor epot eppo eppp epro eprp epte erei erel erer eret erie eril erio erit erle erli erll eroe eroi erol eroo erpe erre erro ertl etee etel eter etio etoe etre etro ette etti etto ieet ieie ieio iele iere ieri iett iiie iiii iiio iiit iioi iioo iiop iitr iitt ile- ileo iler ilet ilie ilio ilir ilit ill- ille illi illo illp illt iloo ilot ilpe ilpr ilre ioee ioel ioii ioio ioit iole iolo iooi iooo iopl iore iori iote ioto iper ipet ipie ipil iplo ipoe ipop ippo ippr ipri ipto iree irel irer iri- irie iril irio irip irop irpe irre irri irte irti irtp itel itep iter itet itie itil itll itoi itol itoo itor itri itto leel leep leer leet leie leil leio leir leit lele leli lell lelo leoi leor lepe lepi lepo lepp lept lere lero lerp lert lete leti leto lett liel liep lier liet liii liir lile lili lill lilo lilt lio- lior lip- lipe lipi lipl lipo lipp lire liri lirl liro lirp lirr lirt lite liti litl lito litr litt llet llll lloo loei loir loit lole loli loll lolo looe lool loop loor loot lope lopi lopp lore lori loro lote loti lotl loto lotr lott lppl lprp lroi lrrr ltee lttr o-eo oeil oele oere oeti oier oiii oire oirt oiti ole- olei oleo oler olet olie olio olit olle olli ollo olor olot olpe ooer oolo oooo oore oort ootp opei opel opep oper opet opie opii opio opit ople opo- opor oppi oppo opti opto ore- orel oreo orer ori- orie oril orio orit orle orlo oro- oroe oror orot orpe orpi orri orro orte orto otee otep oter otit oto- otoe otoo otor otpp otre otro otte otti otto peel peep peer peet peil peio peip peir peit pel- pele pell pelo pelt peor pepe pepi pepo per- pere peri perl pero perp perr pert pete peti peto petr pett piel piep pier piet piip pil- pile pili pill pilo pilt piot pipe pipi pipo pipp pire piri pirl piro pirr pite piti pito pitr pitt ple- plee plei pleo plet plie plio plip plit ploo plop plot plpp plri pltt poel poer poet poil poio pole poli poll polo polt pool poop poor poot pop- pope popi popo popp popt pore pori poro porr port pote poti poto pott pper ppie pple ppli pplo pppo pppp pptt pre- pree prel prep pret pri- prie prii prle prlr pro- proe prol proo prop prot prri prti prtp prtr pter ptol ptop reel reep reet reii reil reir reit rele rell relo relp relt reol reop reot repe repi repl repo repp repr rept rere reri rero rert rete reti reto retr rett riel riep rier riet rile rill rilo rilp riol riot ripe ripi ripl ripp ripr ript rire riri rite riti ritl rito ritt rlee roel roer roet roil roio roir roit role roll rolo rolp rolt rooi rool roop roor root rope ropo rore rori roro rort rote roti rotl roto rotr rott rpet rpii rpoe rrle rrrr rtee rtei rtle rtlt rttp teel teer teet teie teil teip teir tel- tele teli tell telo telt teor tepe tepi tepp ter- tere teri tero terp terr tete teti teto tetr tett tie- tiee tiei tiel tieo tiep tier tiet tiit tile till tilo tilr tilt tiop tip- tipe tipi tipo tipp tipt tire tiri tirl tiro tirr tite titi tito titp titt tlli toee toei toer toet toie toil toit tol- tole toli toll tolo tolt tool toor toot top- tope topi topo topp topt tore tori toro torp torr tort tote toti toto totr tott tper tpir tpol tppp tppr tpte tptp tptr tre- tree trei treo tret tri- trie tril trio trip trit troe troi troo trop trot trpe trpp trte trtr tteo tter ttoe ttop tttt