-er c-- ccc ccd cce cco ccr cct ccv cdc cdd cde cdo cdr cdt cdv ce- cec ced cee ceo cer cet cev co- coc cod coe coo cor cot cov crc crd cre cro crr crt crv ctc ctd cte cto ctr ctt ctv cvc cvd cve cvo cvr cvt cvv dcc dcd dce dco dcr dct dcv ddc ddd dde ddo ddr ddt de- dec ded dee deo der det dev doc dod doe doo dor dot dov drc drd dre dro drr drt drv dtc dtd dte dto dtr dtt dtv dvc dvd dve dvr dvt ec- ecc ecd ece eco ecr ect ecv ed- edc edd ede edo edr edt eec eed eee eeo eer eet eev eo- eoc eod eoe eoo eor eot erc erd ere ero err ert erv etc etd ete eto etr ett etv evc evd eve evo evr evt evv oc- occ ocd oco ocr oct ocv odc odd ode odo odr odt odv oec oed oee oeo oer oet oo- ooc ood ooo oor oot oov or- orc ord ore oro orr ort orv ot- otc otd ote oto otr ott otv ov- ovc ovd ove ovo ovv rcc rcd rce rco rcr rct rcv rdc rdd rde rdo rdr rdt rdv re- rec red ree reo rer ret rev roc rod roe roo ror rot rov rrc rrd rrr rrt rtc rtd rte rto rtr rtt rtv rvc rvd rve rvo rvr rvt rvv tcc tcd tce tco tcr tct tcv tdc tdd tde tdo tdr tdt tdv te- tec ted tee teo ter tet tev to- toc tod toe too tor tot tov trc trd tre tro trr trt trv ttc ttd tte tto ttr ttt ttv tvc tvd tve tvo tvr tvt v-e vcc vcd vce vco vcr vct vdc vdd vde vdo vdr vdt vdv vec ved vee veo ver vet voc vod voe voo vor vot vov vrc vrd vre vrr vrt vtc vte vto vtr vtt vtv vvc vvo vvr vvt vvv

c-cd cccc cccv ccdc ccdr cced ccee ccoc ccod ccrc ccre ccrt cctc cctt cctv ccvo cd-e cd-r cddr cdec cder cdot cdre cdtv cdvd cec- cece ceco cect cedd cede cedo cedt ceec ceor cer- cerc cerd cere cero cert cet- cete ceto cetv cevo coce coco coct codd code coed cood coot cor- corc cord core coro corr cort cotc cote coto cott cove covo crcc crce crcr crdc cre- crec cred cree creo cret croc crod croe croo cror crot crrt crtc crtv ctec ctor ctot ctrc ctvo ctvt cvcc cver cvet cvrd cvrr cvte d-tv dccc dcct dccv dctc dctv dcvd dddd ddoc ddot ddrc ddre ddtv dec- decc decd dece deco dect dedd dede dedo deed deer deet deev deor der- derc dere dero derr derv dete deto detr deve devo doce doco doct dod- dodd dode dodo doer dood door doot dorc dord dore doro dorr dort dotd dote doto dott dove dred dree dret drev drod drot dtcc dted dtor dtot dvdr dvor eccc ecce ecco ecct ecdc eced eco- ecod ecot ecrc ecrr ecrv ect- ectc ecto ectv eddc edde eddo ede- eder edoc edod edtv edve eede eeee eeoc eerc eero eetc eete eocd eode eore eotc eotd eoto ercc erce erde erec ered erer eret erev eroc erod eroe eroo errc erre erro erve etcc etco etec etee eter etoe etre etro ette etto etvo ever evet evoe evoo evre o-eo occc occt oce oced ocee ocet ocre ocro ocrr oct- octe octo oddd oded odeo oder odet odoo odor odot oec- oecc oedo oeec oere oocr ooer oooo oord oore oort orce orco orde ordo ore- orec ored oreo orer oro- oroe oror orot orro ortc orte orto orve orvr otcd oted otee oter oto- otoe otoo otor otov otre otro otte otto ovde ovee over ovet ovo- ovod ovoo ovot ovre rccc rcdc rcde rcet rcrd rctc rctv rcvr rder rdev rdoc recc recd rece recr rect redc redd rede redo redr reed reet reev reod reot rerd rere rero rert retd rete reto retr rett revd reve revo rocc roce roco rodd rode rodo roed roer roet roev rood roor root rorc rore roro rort rotc rote roto rotr rott rove rovo rred rrrr rtcc rtce rtdt rtee rtve rv-c rved rver tccc tcdd tcov tctc tdor tdtv teco tecr tect tedd tede teec teed teer teet teev teor ter- terc tere tero terr tete teto tetr tett toce toco todd tode todo todt toed toee toer toet tood toor toot torc tord tore toro torr tort torv totc totd tote toto totr tott tove tovo trcc tre- trec tred tree treo tret trev troc trod troe troo trot trtc trte trtr tteo tter ttoe tttt tver tvro tvrr tvtv vdcc vdec vder vdot vdre vecc vedc vede vedo veer veet veor ver- verd vere vero vert vete veto vetr veve vevo voce vode vodo voer voet vooc voor voot vor- vord vore voro vort votd vote voto vred vreo vret vroc vrot vrto vtec vver vvvv

-tree c-cor c-dot c-evo c-tec ccccc ccctv ccdev ccett cddvd ceco- ceddo ceded ceder cedor cedr- cedre cedro ceede ceedo ceere ceoce ceoor cerc- cerce cerco cerdo cerec cered cerer ceret cero- ceroc cerre cerro certe cervo ceto- cette co-co co-ed cocc- cocce cocco coceo cocto codco codde codec coded coder codo coete coeve coode cooed cooee cooer coord coore coote corce corde core- cored coree corer coro- corod corot corre corte corto cortv corve corvo coted coter cott- cotte cotto coved coveo cover covet crece crede credo creed creer creo- creot crete creve croce croco crode crodo crood crooe croot crore crote crott crove ctree cttee cvrce d-dot d-rev d-rod dcore ddddd decet decor dedde dedee deder deece deede deere deeve deore deoro derce derde dered dero- derre derro derve deter detoo detre dette dev-c dever devet devoe devor devot devro do-do doced docer docet dodec dodoo dodro doerr dooce