-er c-- ccc cce cco ccr cct ccv ccx ce- cec cee ceo cer cet cev cex co- coc coe coo cor cot cov cox crc cre cro crr crt crv crx ctc cte cto ctr ctt ctv ctx cvc cve cvo cvr cvt cvv cvx cxc cxo cxr cxt cxv cxx ec- ecc ece eco ecr ect ecv ecx eec eee eeo eer eet eev eex eo- eoc eoe eoo eor eot erc ere ero err ert erv etc ete eto etr ett etv etx evc eve evo evr evt evv ex- exc exe exo exr ext exx oc- occ oco ocr oct ocv ocx oec oee oeo oer oet oex oo- ooc ooo oor oot oov oox or- orc ore oro orr ort orv orx ot- otc ote oto otr ott otv ov- ovc ove ovo ovv ox- oxc oxo oxt oxx rcc rce rco rcr rct rcv rcx re- rec ree reo rer ret rev rex roc roe roo ror rot rov rox rrc rrr rrt rtc rte rto rtr rtt rtv rtx rvc rve rvo rvr rvt rvv rxr t-x tcc tce tco tcr tct tcv tcx te- tec tee teo ter tet tev tex to- toc toe too tor tot tov tox trc tre tro trr trt trv trx ttc tte tto ttr ttt ttv ttx tvc tve tvo tvr tvt tvx txe txt v-e vcc vce vco vcr vct vcx vec vee veo ver vet vex voc voe voo vor vot vov vox vrc vre vrr vrt vtc vte vto vtr vtt vtv vtx vvc vvo vvr vvt vvv vxr vxv xcr xcv xcx xee xer xet xev xex xoc xoo xor xot xov xox xrc xrt xrx xtc xtr xtv xtx xvt xxo xxv xxx

cccc cccv ccee ccoc ccrc ccre ccrt cctc cctt cctv ccvo cec- cece ceco cect ceec ceor cer- cerc cere cero cert cet- cete ceto cetv cevo cexe coce coco coct coex coot cor- corc core coro corr cort cotc cote coto cott cove covo coxe crcc crce crcr cre- crec cree creo cret crex croc croe croo cror crot crrt crtc crtv ctec ctor ctot ctrc ctvo ctvt cvcc cver cvet cvrr cvte cxro cxxv cxxx eccc ecce ecco ecct eco- ecot ecrc ecrr ecrv ect- ectc ecto ectv eeee eeoc eerc eero eetc eete eext eore eotc eoto er-x ercc erce erec erer eret erev eroc eroe eroo errc erre erro erve etcc etco etec etee eter etoe etox etre etro ette etto etvo ever evet evex evoe evoo evre exco exec exer exo- exor exrx exte extr o-eo occc occt oce ocee ocet ocre ocro ocrr oct- octe octo oec- oecc oeec oere oocr ooer oooo oore oort orce orco ore- orec oreo orer orex oro- oroe oror orot orro ortc orte orto orve orvr otee oter oto- otoe otoo otor otov otre otro otte otto ovee over ovet ovo- ovoo ovot ovre oxer oxo- oxox oxxo rccc rcet rctc rctv rcvr recc rece recr rect reet reev reot rere rero rert rete reto retr rett reve revo rexx rocc roce roco roer roet roev roor root roox rorc rore roro rort rotc rote roto rotr rott rove rovo roxo rrrr rtcc rtce rtee rtex rtve rv-c rver rxvt tccc tcov tctc teco tecr tect teec teer teet teev teor ter- terc tere tero terr tete teto tetr tett tetx text toce toco toee toer toet toor toot torc tore toro torr tort torv torx totc tote toto totr tott tove tovo tox- toxo toxt trcc tre- trec tree treo tret trev trex troc troe troo trot trox trtc trte trtr tteo tter ttoe tttt tver tvro tvrr tvtv txtr vecc veer veet veor ver- vere vero vert vete veto vetr veve vevo vext vexx voce voer voet vooc voor voot vor- vore voro vort vote voto voxx vreo vret vroc vrot vrto vrtx vt-x vtec vver vvvv xeer xer- xero xert xexe xoco xoro xote xove xoxo xtro xxvc xxxo xxxv xxxx

-tree c-cor c-evo c-tec ccccc ccctv ccett ceco- ceere ceoce ceoor cerc- cerce cerco cerec cerer ceret cero- ceroc cerre cerro certe cervo ceto- cette co-co cocc- cocce cocco coceo cocto coete coeve cooee cooer coore coote corce core- coree corer corex coro- corot corre corte corto cortv corve corvo coter cott- cotte cotto coveo cover covet crece creer creo- creot crete creve croce croco crooe croot crore crote crott crove ctree cttee cvrce cxxxv ecorv ecto- ector ectot eeeee eevee eever eorre erect erere ereve eroor erore eroto error erte erter etete etext etoro etree etter evere evero everr evert evete evett eveve evoor evote exect execx exert exore exort exter extre extro ocoee ocote ocree octet octo- octor oeco- oo-er oocre ooooo oovoo orcet oreco oreo- orere orero orexo oroco oroer orret orter ortet ortoo orvet otere otero otoce ototo otrov otter ottov oveco over- overo overt ovett oxter r-co- recce recco recet rect- recte recto reece reere reeve reorx rere- reree reret retee reter retex retox retro rette retto revco rever revet revox rexer ro-ro rocco rocor rocov roero rooer roore roote roove rorer roter roto- rotor rotot rotox rotte rotto rover rtext rtrev rttov t-rex teoco terce terco teret terex teror terre terro tert- terve tervo teter tetex tetov tetr- tetro tette tevet tevot texor texte tocco toco- toece toerr toeto toore torce toreo toret torre torro torte torto torve torxe toter totex toto- totoe totoo totte tover tovet tovex toxo- treco treer treet trere trete trett treve troco troee trott trove trovo ttttt tvvcr vecer vecov veeco veere veeve verco verex verot verre verte verve vetco vetex vette vetto vevce veveo vever vexer vexor voere voore vorce vorre vorte voter votre votto voxeo voxer xero- xerox xerte xetec xetex xexex xootr xorro xotox xover xoxox xtext xtort xtree

ceecee cerco- cerete cerote cerove cerovo certco cetore cocco- cococo cocto- coerce coo-er coocoo cooter corect corteo cortex cortot corvee corver corvet cotote cotter covert covext coxcox crcevo crecco