ocee ocef ocet ocfp ocin ocon ocpp ocre ocro ocrr oct- octe octi octo octy oec- oecc oeec oen- oeno oere oeti oeye oeyo ofcr ofen ofer off- offc offe offo offr offy ofit ofno ofor ofre oftp oici oier oiii oint oion oipc oire oirt oiry oitc oiti onc- once oncf onco onct one- onec onee onei oneo onep oner oney onic onie onir onit onne onni onno onon onor onoy onpt ont- ontc onti onto oocr ooer ooff oofy oone oont oooo oore oort oory ootp ooty opec opei open opep oper opet opic opie opii opin opio opit opo- opon opor oppi oppo oppy opry opti optn opto opye orce orci orco ore- orec oren oreo orer orey orfe orff orfi ori- oric orie orif orin orio orit ornc orne orni orno orny oro- oroe orof oron oror orot oroy orpc orpe orpi orri orro orry ortc orte orto otee oten otep oter otfc otfp otic otif otin otit oto- otoe otof oton otoo otor otoy otpp otre otro otry otte otti otto otyr oyce oyee oyen oyer oyne oynt oyon oyre oyri pccc pcce pcep pcer pcfc pcin pcip pcnt pcoe pcpn pcpp pcrc pcre pcrf pcte pece peci peco pecr pect pecy peec peen peep peer peet pefc peff pein peio peip peir peit pen- penc pene peni penn peno pent peny peon peor pepe pepi pepo per- perc pere perf peri pern pero perp perr pert pery pete peti petn peto petr pett pety peyn peyo peyr pfce pfet pfff pffr pfft pfic pfit pfte pfyn picc pice pici pico picr pict picy pien piep pier piet piff piip pinc pine pini pinn pino pinp pint piny pion piot pipe pipi pipo pipp pipy pirc pire piri pirn piro pirr piry pite pitf piti pito pitr pitt pity piye piyo pnec pnet pnic pnin pnon pnot pnpo pnpp pnro pntr poce poco poer poet poey poff pofi poin poio ponc pone poni pono ponp pont pony poof poon poop poor poot pop- popc pope popi popo popp popt popy porc pore pori porn poro porr port pory potc pote potf poti poto pott poty poyn poyo poyr ppcc ppci ppen pper ppic ppie ppif pppn pppo pppp pprc pprf pptn pptt ppye prcc prcf prcp pre- prec pree pref pren prep pret prey prfc pri- prie prif prii prin prnp pro- proc proe prof pron proo prop prot prri prtc prti prtp prtr ptcc pten pter ptop ptrf pttc pyce pyep pyet pyic pyin pyn- pyne pynt pyo- pyon pyot pype pypy pyr- pyre pyri pyro pyry pyte pytt rccc rcep rcet rcfc rcic rcnr rcon rcpi rcpo rcpt rctc rcti rcyc recc rece reci recp recr rect recy reef reen reep reet refe reff refi refn refr reft reif reii rein reir reit rene reni renn reno rent reny reof reop reot repe repi repo repp repr rept repy rere reri rero rert rery rete reti reto retr rett rety reye reyn rfef rffc rfic rftc ricc rice rico rict rief rien riep rier riet rife riff rift riif riin rine rinf rinn rino riny rion riot ripe ripi ripp ripr ript rire riri rite riti rito ritt riyf riyo rnco rncp rnie rnin rnnt rnot rntp rocc roce roco roen roer roet roey rofc rofe roff rofo roif roin roio roir roit ronc rone roni rono ront rony roof rooi roon roop roor root rope ropo ropy rorc rore rori roro rort rory rotc rote roti rotn roto rotr rott roty roye royn royt rpet rpfc rpii rpoe rpof rpon rppn rptn rpyc rrfc rrif rrrr rtcc rtce rtee rtei rtfc rttp ryen ryet ryfe ryff ryft ryif ryip ryne rynn rynt ryon ryot rype rytt ryyf ryyt tccc tcep tcfc tcnn tcon tcpo tcpy tctc teco tecr tect teec teef teen teer teet tefc teff tefi teft teic teie tein teip teir tenc tene teni tenn teno tenp tent teon teor tepe tepi tepp ter- terc tere terf teri tern tero terp terr tery tete teti teto tetr tett teye teyn teyr tfec tfin tfnp tfot tfpt tftc tftp ticc tice tico tie- tiee tief tiei tien tieo tiep tier tiet tiff tifo tift tiit tinc tine tini tinn tino tint tiny tion tiop tip- tipc tipe tipi tipo tipp tipt tire tiri tiro tirr tiry titc tite titi tito titp titt tiye tiyi tiyn tiyo tncc tnef tnfc to-y toce toci toco toee toei toen toer toet toey toff tofi tofo toft toie toit tone toni tonn tono tony toof toon toor toot top- tope topf topi topo topp topt torc tore torf tori torn toro torp torr tort tory totc tote toti toto totr tott toty toyn toyo toyt tpcp tper tpir tpon tppp tppr tpte tptp tptr tpyo trcc tre- trec tree tref trei tren treo tret trey trfc trfr tri- tric trie trif trin trio trip trit trno troc troe troi tron troo trop trot troy trpc trpe trpn trpp trtc trte trtr try- trye tryo tryp ttcn ttcp tten tteo tter ttfc ttff ttfn ttoe tton ttop ttoy tttt tyce tyco tyee tyen tyer tyet tyfe tyff tyft tyin tyir tyne tynt tyny typ- type typo typp typy tyr- tyre tyrf tyro tyrr tyte tyti tyto tytt tyty tyyn yccc ycee ycie yctc yeen yeep yeer yeet yefe yeff yeft yeie yeii yeir yeit yenc yene yeni yent yeof yeon yeot yepe yepp yere yeri yern yero yerr yert yery yete yeti yeto yett yeye yeyi yeyo yeyr yfet yfte yien yiet yiff yift yipe yire yirn yirr yite yiti yitp ynce ynet ynne ynon ynot yoen yoff yoit yone yoni yono yont yoof yoon yoop yoot yopo yopy yore yori yorn yoro yort yory yote yott yoye yoyn yoyo ypcc ypir yren yrin yrne yrof yron yryn ytre yyfe yyff yyyy

-tree c-cor c-one c-p-c c-pop c-tec ccccc cccii ccett ccifc cciii ccitt ccnet ccoyo ceci- cecie ceco- cecon cecri cecyt ceene ceere cefor ceint