-er -ey c-- ccc cce cco ccr cct ccx ce- cec cee ceo cer cet cex cey co- coc coe coo cor cot cox coy crc cre cro crr crt crx cry ctc cte cto ctr ctt ctx cty cxc cxo cxr cxt cxx cyc cye cyo cyr cyt ec- ecc ece eco ecr ect ecx eec eee eeo eer eet eex eey eo- eoc eoe eoo eor eot erc ere ero err ert ery etc ete eto etr ett etx ety ex- exc exe exo exr ext exx exy eyc eye eyo eyr eyt oc- occ oco ocr oct ocx oec oee oeo oer oet oex oey oo- ooc ooo oor oot oox or- orc ore oro orr ort orx ory ot- otc ote oto otr ott ox- oxc oxo oxt oxx oxy oye oyo rcc rce rco rcr rct rcx re- rec ree reo rer ret rex rey roc roe roo ror rot rox roy rrc rrr rrt rtc rte rto rtr rtt rtx rty rxr ry- ryc rye ryo ryr ryy t-x tcc tce tco tcr tct tcx te- tec tee teo ter tet tex tey to- toc toe too tor tot tox toy trc tre tro trr trt trx try ttc tte tto ttr ttt ttx tty txe txt tyc tye tyo tyr tyt xcr xcx xee xer xet xex xoc xoo xor xot xox xrc xrt xrx xry xtc xtr xtx xty xxo xxx xxy xyr xyy ycc yce yco ycy yec yee yeo yer yet yex yey yoc yoe yoo yor yot yox yoy yrc yre yro yrt ytc yte yto ytr ytt yxe yxy yyc yye yyt yyy

cccc ccee ccoc ccrc ccre ccrt cctc cctt cec- cece ceco cect ceec ceor cer- cerc cere cero cert cery cet- cete ceto cexe ceyx coce coco coct coex coot cor- corc core coro corr cort cory cotc cote coto cott coty coxe coxy coyo coyr coyt crcc crce crcr cre- crec cree creo cret crex croc croe croo cror crot croy crrt crtc cry- cryo ctec ctor ctot ctrc cxro cxxx cyc- cycc cyre cyrt cyt- cyte cyto cyy- cyyc eccc ecce ecco ecct eco- ecot ecrc ecrr ect- ectc ecto eeee eeoc eerc eero eery eetc eete eext eore eotc eoto er-x ercc erce erec erer eret eroc eroe eroo errc erre erro eryc erye eryx etcc etco etec etee eter etoe etox etoy etre etro ette etto etty exco exec exer exo- exor exrx exte extr exxy eyec eyer eyet eyey eyot eyre eyry eyte eyyr o-eo occc occt oce ocee ocet ocre ocro ocrr oct- octe octo octy oec- oecc oeec oere oeye oeyo oocr ooer oooo oore oort oory ooty orce orco ore- orec oreo orer orex orey oro- oroe oror orot oroy orro orry ortc orte orto oryx otee oter oto- otoe otoo otor otoy otre otro otry otte otto otyr oxer oxo- oxox oxxo oxy- oyce oyee oyer oyre rccc rcet rctc rcyc recc rece recr rect recy reet reot rere rero rert rery rete reto retr rett rety rexx reye rocc roce roco roer roet roey roor root roox rorc rore roro rort rory rotc rote roto rotr rott roty roxo roxy roye royt rrrr rtcc rtce rtee rtex ryet ryot rytt ryyt tccc tctc teco tecr tect teec teer teet teor ter- terc tere tero terr tery tete teto tetr tett tetx text teye teyr to-y toce toco toee toer toet toey toor toot torc tore toro torr tort torx tory totc tote toto totr tott toty tox- toxo toxt toyo toyt trcc tre- trec tree treo tret trex trey troc troe troo trot trox troy trtc trte trtr try- trye tryo tteo tter ttoe ttoy tttt txtr tyce tyco tyee tyer tyet tyr- tyre tyro tyrr tyte tyto tytt tyty tyxt xeer xer- xero xert xexe xoco xoro xote xoxo xoyo xtro xtry xxxo xxxx xxxy xyr- yccc ycee yctc yeer yeet yeot yeox yere yero yerr yert yery yete yeto yett yext yeye yeyo yeyr yoot yore yoro yort yory yote yott yoxe yoye yoyo ytre yyyy

-tree c-cor c-tec ccccc ccett ccoyo ceco- cecyt ceere ceoce ceoor cerc- cerce cerco cerec cerer ceret cero- ceroc cerre cerro certe certy ceryx ceto- cette cetty cexty co-co cocc- cocce cocco coceo cocto coete cooee cooer cooey coore coote cooty corce corcy core- coree corer corex corey coro- corot corre corry corte corto cory- coter cott- cotte cotto cotty coxey coyer coyet coyte crece crecy creer creo- creot crete croce croco crocy crooe croot crore crote crott cryer cryo- ctree cttee cyete cyrt- cytec cytee cyto- cytrx cytte cytyc ecto- ector ectot eeeee eorre erect erere eroor erore eroto errey error erte erter eryxo etete etext etoro etree etter exect execx exert exore exort exter extre extro extry eyere eyeto eyrer occey occoy ocoee ocote ocree octet octo- octor oeco- oeyer oeyre oo-er oocre ooooo orcet oreco oreo- orere orero orexo oreye oroco oroer orret orrey orter ortet ortoo ortyx otere otero otoce ototo otter ottey ottyr otyre oxeye oxter oyoor r-co- recce recco reccy recet recry rect- recte recto recyt reece reere reorx rere- reree reret retee reter retex retox retro retry rette retto rexer reyte ro-ro rocco rocor roero rooer roore roote rooty rorer rorty roter roto- rotor rotot rotox rotte rotto rotye royce royer royet royoc rtext rytro rytte ryyty t-rex teety teoco terce terco teret terex teror terre terro terry tert- teter tetex tetr- tetro tette tetty texor texte teyre tocco toco- toece toerr toeto toeye toore torce torcy toreo toret torey torre torro torry torte torto torty torxe toter totex toto- totoe totoo totte totty totyr toxey toxo- toyer toyte treco treer treet treey trere trete trett trety trexy treye troco troee trory trott troxy troye trxye tryce tryer tryor tryte tryto ttttt tyere tyree tyrer tyret tyro- tyroc tytte tyxte xero- xerox xerte xetec xetex xexex xootr xorro xotox xoxox xtext xtort xtree ycore yctor ye-ye yeere yeoor yeoxe yeroo