olpe oocr ooer ooff oolo oooo oore opec opei opel opep oper opic opie opii opio ople opo- opor oppi oppo orce orci orco ore- orec oreg orel oreo orer orfe orff orfi orge orgo ori- oric orie orif orig oril orio orle orlo oro- oroe orof oror orpc orpe orpi orri orro pccc pcce pccl pcep pcer pcfc pcgg pcip pcll pclo pcoe pcpp pcrc pcre pcrf pcrl pece peci pecl peco pecr peec peel peep peer pefc peff pegg pegl pego peil peio peip peir pel- pele pelf pell pelo peor pepe pepi pepo per- perc pere perf perg peri perl pero perp perr pfce pfff pffr pfic pfli pgcc pgce pger pglo pgrc picc pice pici pico picr piel piep pier piff pigc pigf pigg pigo pigp piip pil- pile pili pill pilo pipe pipi pipo pipp pirc pire pirg piri pirl piro pirr plcc plce ple- plec plee pleg plei pleo plff plie plif plig plio plip ploc plog ploo plop plpp plri poce poco poel poer poff pofi poge pogg pogo poil poio pole polg poli poll polo poof pool poop poor pop- popc pope popi popo popp porc pore porg pori poro porr ppcc ppci pper ppgi ppic ppie ppif ppig pple ppli pplo pppo pppp pprc pprf prcc prcf prcp pre- prec pree pref preg prel prep prfc pri- prie prif prig prii prle prlr pro- proc proe prof prog prol proo prop prri rccc rcep rcfc rcgc rcic rcle rcpi rcpo rcrg recc rece reci recp recr reef reel reep refe reff refg refi refl refr rege regi regl rego regr reif reii reil reir rele rell relo relp reof reog reol reop repe repi repl repo repp repr rere rerg reri rero rfef rffc rffl rfic ricc rice rico rief riel riep rier rife riff rige rigg rigi rigo riif rile rill rilo rilp riol ripe ripi ripl ripp ripr rire riri rlcg rlee rlef rlif rocc roce roco roeg roel roer rofc rofe roff rofl rofo roge rogg rogi rogo roif roig roil roio roir role rolf roll rolo rolp roof roog rooi rool roop roor rope ropo rorc rore rori roro rpfc rpii rpoe rpof rrfc rrif rrle rrrr