-er -th c-- ccc cce cch cco ccr cct ccx ce- cec cee ceh ceo cer cet cex ch- chc che chh cho chr cht chx co- coc coe coh coo cor cot cox crc cre crh cro crr crt crx ctc cte cth cto ctr ctt ctx cxc cxh cxo cxr cxt cxx ec- ecc ece ech eco ecr ect ecx eec eee eeo eer eet eex ehc ehe ehh eho ehr eht eo- eoc eoe eoh eoo eor eot erc ere erh ero err ert etc ete eth eto etr ett etx ex- exc exe exh exo exr ext exx hcc hce hch hco hcr hct he- hec hee heh heo her het hex hhc hhe hhh hho hhr hht hoc hoe hoh hoo hor hot hox hr- hrc hre hrh hro hrr hrt htc hte hth hto htr htt htx hxc oc- occ och oco ocr oct ocx oec oee oeh oeo oer oet oex ohc ohe ohh oho ohr oht oo- ooc ooh ooo oor oot oox or- orc ore orh oro orr ort orx ot- otc ote oth oto otr ott ox- oxc oxo oxt oxx rcc rce rch rco rcr rct rcx re- rec ree reh reo rer ret rex rh- rhc rhe rhh rho rhr rht roc roe roh roo ror rot rox rrc rrh rrr rrt rtc rte rto rtr rtt rtx rxr t-x tcc tce tch tco tcr tct tcx te- tec tee teh teo ter tet tex th- thc the thh tho thr tht thx to- toc toe toh too tor tot tox trc tre trh tro trr trt trx ttc tte tth tto ttr ttt ttx txe txt xch xcr xcx xee xer xet xex xht xoc xoo xor xot xox xrc xrt xrx xtc xtr xtx xxo xxx

cccc ccee cche cchr ccoc ccrc ccre ccrt cctc cctt cec- cece ceco cect ceec ceor cer- cerc cere cero cert cet- cete ceto cexe chce chch chec chee cheh cher chet chex choc choh choo chor chrc chro chrr chrt chto chtr chtt coce coch coco coct coex coho cooh coot cor- corc core coro corr cort cotc cote coth coto cott coxe crcc crce crcr cre- crec cree creh creo cret crex croc croe croh croo cror crot crrt crtc ctec ctor ctot ctrc cxro cxxx eccc ecce ecco ecct eche echo echt eco- ecot ecrc ecrr ect- ectc ecth ecto eeee eeoc eerc eero eetc eete eeth eext ehcc eheh eher ehre ehte eore eotc eoto er-x ercc erce erch erec erer eret erhc eroc eroe eroo errc erre erro erth etcc etch etco etec etee eter eth- ethe etho etoe etoh etox etre etro ette etto exch exco exec exer exh- exo- exor exrx exte extr hccc hcch hech hect heer heet hehe heho heor herc here hero herr hert hete heth heto hett hex- hexe hext hhex hhhh hoce hoch hocr hoer hohe hoho hooe hoor hoot hoox horc hore horo horr hort hote hoth hoto hotr hott hree hrrc hrte htcc htet htoh httr o-eo occc occt oce ocee ocet oche ocht ocre ocro ocrr oct- octe octo oec- oecc oeec oere ohcc ohee oher ohho ohoh ohre ohte ohto oocr ooer ooho oooh oooo oore oort orce orch orco ore- orec oreh oreo orer orex orhe oro- oroe oror orot orro ortc orte orth orto otee oter othe otho othr oto- otoe otoh otoo otor otre otro otte otto oxer oxo- oxox oxxo rccc rcet rctc recc rece rech recr rect reet rehe reht reot rere rero rert rete reth reto retr rett rexx rhce rhee rheo rhet rhex rhoc rhoh rocc roce roch roco roer roet rohe rohr roor root roox rorc rore roro rort rotc rote roth roto rotr rott roxo rrrr rtcc rtce rtee rtex tccc tch- tche tchh tcho tchr tctc tech teco tecr tect teec teer teet teho tehr teoh teor ter- terc tere tero terr tete teth teto tetr tett tetx text thch the- thec thee theo ther thet thex thoe thoo thor thot thre thro thtr toce toch toco toee toeh toer toet toho tooh toor toot torc tore toro torr tort torx totc tote toth toto totr tott tox- toxo toxt trcc tre- trec tree treo tret trex troc troe troo trot trox trtc trte trtr tteo tter ttoe tttt txtr xeer xer- xero xert xexe xoco xoro xote xoth xoxo xtro xxxo xxxx

-tree c-cor c-tec ccccc ccett cech ceche cecht ceco- ceere ceoce ceoor cerc- cerce cerco cerec cerer ceret cero- ceroc cerre cerro certe ceto- cette chech cheer cheet cheho chehr cheo chere chero chert chete cheth cheto chett chexo chher choco choor chor- chore choro chort chote chott co-co cocc- cocce cocco coceo coche cocto coete cohee cohoe cohoo cooch cooee cooer coore coote cooth corce core- coree corer corex coro- corot corre corte corto cotch coter cothe cott- cotte cotto crece creer creo- creot crete croce croco crooe croot crore crote croth crott ctree cttee eccho echte ecthr ecto- ector ectot eeeee eetch ehret eocho eorre erech erect erere eroor erore eroto error erte erter erthe etche etete etext ether etho- ethoc etoro etree etter exect execx exert exhex exore exort exter extre extro h-cho hcooh he-he he-ro hecco heche hecht hect- hecte hecto heere heete hehte heore herce heroe herre herro herte herth herto hetch heter hethe hette hetto hexer hheth hhhhh ho-ho ho-oh hocco hoche hohoe hohot hooce hooch hooer hoore hoort horce horch horex horhe horre horro horth horto hotch hothe hothr hotot hotte hotto hreoc hrere hroch hthrt htree ocher ochre ochro ocoee ocote ocree octet octo- octor oeco- oerth oh-oh ohchr ohrot ohthe oo-er oocre ooher ooooh ooooo oothe orcet orech oreco oreo- orere orero orexo oroch oroco oroer orret orter ortet orth- orthe ortho ortoo otere otero other othre otoce ototo otter oxter r-co- recce recco recet reche recht rect- recte recto reece reech reere reerh reeth rehco reher rehet rehoe reorx rere- reree