npri nprt nptc npte nptn nren nric nroc nron nrpc nrpn nrrc nrrl nrtl ntcc nter ntop ntpc ntrc ntrl ntto nttr o-eo occc occi occn occt oce ocee ocet ocin oclc ocon ocpp ocre ocrl ocro ocrr oct- octe octi octo oec- oecc oeec oeil oele oen- oeno oere oeti oici oier oiii oint oion oipc oire oirt oitc oiti olcc ole- olei olen oleo oler olet olic olie olin olio olit olle olli ollo olne olon olor olot olpc olpe onc- once onco onct one- onec onee onei onel oneo onep oner onic onie onil onir onit onne onni onno onon onor onpt ont- ontc onti onto oocr ooer oolo oone oont oooo oore oort ootp opec opei opel open opep oper opet opic opie opii opin opio opit ople opo- opon opor oppi oppo opti optn opto orce orci orco ore- orec orel oren oreo orer ori- oric orie oril orin orio orit orle orlo ornc orne orni orno oro- oroe oron oror orot orpc orpe orpi orri orro ortc orte orto otcl otee oten otep oter otic otin otit oto- otoe oton otoo otor otpp otre otro otte otti otto pccc pcce pccl pcep pcer pcin pcip pcll pclo pcnt pcoe pcpn pcpp pcrc pcre pcrl pcte pece peci pecl peco pecr pect peec peel peen peep peer peet peil pein peio peip peir peit pel- pele pell pelo pelt pen- penc pene peni penn peno pent peon peor pepe pepi pepo per- perc pere peri perl pern pero perp perr pert pete peti petn peto petr pett picc pice pici pico picr pict piel pien piep pier piet piip pil- pile pili pill pilo pilt pinc pine pini pinn pino pinp pint pion piot pipe pipi pipo pipp pirc pire piri pirl pirn piro pirr pite piti pito pitr pitt plcc plce ple- plec plee plei plen pleo plet plie plin plio plip plit plnt ploc plon ploo plop plot plpp plri pltt pnec pnet pnic pnin pnln pnnl pnon pnot pnpo pnpp pnro pntl pntr poce poco poel poer poet poil poin poio pole poli poll polo polt ponc pone poni pono ponp pont pool poon poop poor poot pop- popc pope popi popo popp popt porc pore pori porn poro porr port potc pote poti poto pott ppcc ppci ppen pper ppic ppie pple ppli pplo pppn pppo pppp pprc pptn pptt prcc prcp pre- prec pree prel pren prep pret pri- prie prii prin prle prlr prnp pro- proc proe prol pron proo prop prot prri prtc prti prtp prtr ptcc ptcl pten pter ptol ptop pttc rccc rcep rcet rcic rcle rcnl rcnr rcon rcpi rcpo rcpt rctc rcti recc rece reci recp recr rect reel reen reep reet reii reil rein reir reit rele rell relo relp relt rene reni renn reno rent reol reop reot repe repi repl repo repp repr rept rere reri rero rert rete reti reto retr rett ricc rice rico rict riel rien riep rier riet riin rile rill rilo rilp rine rinn rino riol rion riot ripe ripi ripl ripp ripr ript rire riri rite riti ritl rito ritt rlee rlin rnco rncp rnie rnin rnli rnnt rnot rntp rocc roce roco roel roen roer roet roil roin roio roir roit role roll rolo rolp rolt ronc rone roni rono ront rooi rool roon roop roor root rope ropo rorc rore rori roro rort rotc rote roti rotl rotn roto rotr rott rpet rpii rpoe rpon rppn rptn rrle rrrr rtcc rtce rtee rtei rtle rtlt rttp tccc tcep tcnn tcon tcpo tctc tecl teco tecr tect teec teel teen teer teet teic teie teil tein teip teir tel- telc tele teli tell teln telo telt tenc tene teni tenn teno tenp tent teon teor tepe tepi tepp ter- terc tere teri tern tero terp terr tete teti teto tetr tett ticc tice tico tie- tiee tiei tiel tien tieo tiep tier tiet tiit tile till tiln tilo tilr tilt tinc tine tini tinn tino tint tion tiop tip- tipc tipe tipi tipo tipp tipt tire tiri tirl tiro tirr titc tite titi tito titp titt tlco tlen tlli tlon tncc toce toci toco toee toei toen toer toet toie toil toit tol- tole toli toll tolo tolt tone toni tonn tono tool toon toor toot top- tope topi topo topp topt torc tore tori torn toro torp torr tort totc tote toti toto totr tott tpcp tper tpir tpol tpon tppp tppr tpte tptp tptr trcc trcl tre- trec tree trei tren treo tret tri- tric trie tril trin trio trip trit trno troc troe troi tron troo trop trot trpc trpe trpn trpp trtc trte trtr ttcn ttcp tten tteo tter ttoe tton ttop tttt