c-cd cccc ccdc ccdh ccdr cced ccee ccgc ccgt cche cchr ccoc ccod ccrc ccre ccrg ccrt cctc cctt cd-e cd-r cddr cdec cder cdot cdre cec- cece ceco cect cedd cede cedo cedt ceec cege cego ceor cer- cerc cerd cere cero cert cet- cete ceto cgcc cgcg cged cger cgro chce chch chec ched chee cheh cher chet chgd chge choc chod choh choo chor chrc chrd chro chrr chrt chto chtr chtt coce coch coco coct codd code coed cogh cogo coho cood cooh coot cor- corc cord core corg coro corr cort cotc cote coth coto cott crcc crce crcr crdc cre- crec cred cree creg creh creo cret croc crod croe croh croo cror crot crrt crtc ctec ctge ctor ctot ctrc dccc dcct dcgo dche dctc dddd ddoc ddot ddrc ddre dec- decc decd dece deco dect dedd dede dedo deed deeg deer deet dege degh dego deor der- derc dere derg dero derr dete deth deto detr dgeg dgge dghe dhec dhed dhee dher dhod dhor doce doch doco doct dod- dodd dode dodg dodo doeg doer dog- doge dogg dogh dogo dohc dohr dood door doot dorc dord dore doro dorr dort dotd dote doth doto dott dred dree dreg dreh dret drge drod drog droh drot dtcc dted dthd dtor dtot eccc ecce ecco ecct ecdc eced eche echo echt eco- ecod ecog ecot ecrc ecrr ect- ectc ecth ecto eddc edde eddo ede- edeh eder edge edoc edod eede eeee eeoc eerc eerg eero eetc eete eeth egcc egcg egcr egec egee eger egge eggh eggo eghd eghe eghh ego- egor egot egre egte ehcc ehdd eheh eher ehre ehte eocd eode eore eotc eotd eoto ercc erce erch erde erec ered erer eret erg- ergg ergh ergo erhc eroc erod eroe eroo errc erre erro erth etcc etch etco etec etee eter eth- ethe etho etoe etoh etre etro ette etto gc-c gccc gcet gcrg gctc gdor gdrc gdrt gece gedd gede gedo geed geer geet gege gegg gego geht geo- geog gerd gere gero gert gete getg geth geto gett gggg gghg ghee gheg goce goch gocr gode godo goed goer gogh gogo good goog goor goot gord gore gorg goro gorr gort gotd gote goth goto gott grcc grce grdc grec gree greg gret groc grod grog groh groo gror grot grrr grtc gtco gtcr gtoe hccc hcch hcdr hcgh hcrd hdoc hdod hdtt hech hect hedd hede hedg hedo heed heeg heer heet hege hegg hegh hego hehe heho heor herc herd here herg hero herr hert hete heth heto hett hggc hgtc hhgg hhhh hoce hoch hocr hode hodh hodr hoed hoer hoge hogg hogh hogo hohe hoho hood hooe hoor hoot horc hord hore horg horo horr hort hotd hote hoth hoto hotr hott hrdc hree hrod hrrc hrte htcc htet htoh httr o-eo occc occt oce oced ocee ocet oche ocht ocre ocro ocrr oct- octe octo oddd oded odeo oder odet odoh odoo odor odot oec- oecc oedo oeec oere ogdc ogdh ogee oger ogge oght ogod ogog ogre ogro ohcc ohed ohee oher ohgr ohho ohoh ohre ohte ohto oocr ooer ooho oooh oooo oord oore oort orce orch orco orde ordo ore- orec ored oreg oreh oreo orer orge orgo orhe oro- oroe oror orot orro ortc orte orth orto otcd oted otee oter othe otho othr oto- otoe otog otoh otoo otor otre otro otte otto rccc rcdc rcde rcet rcgc rcrd rcrg rctc rctg rder rdoc recc recd rece rech recr rect redc redd rede redh redo redr reed reet regd rege rego regr regt rehe reht reod reog reot rerd rere rerg rero rert retd rete reth reto retr rett rgtr rhce rhcg rhee rheo rhet rhoc rhod rhog rhoh rocc roce roch roco rodd rode rodo roed roeg roer roet roge rogg rogh rogo rohe rohr rood roog roor root rorc rore roro rort rotc rote rotg roth roto rotr rott rred rrrr rtcc rtce rtcg rtdt rtee tccc tcdd tch- tche tchh tcho tchr tctc tdor tech teco tecr tect tedd tede teec teed teer teet tegg tegh tego tegt teho tehr teoh teor ter- terc tere tero terr tete teth teto tetr tett tgcc tgtc thch thdr the- thec thed thee theo ther thet thoe thog thoo thor thot thre thro thtr toce toch toco todd tode todo todt toed toee toeh toer toet toge togh togo togr togt toho tood tooh toor toot torc tord tore torg toro torr tort totc totd tote toth toto totr tott trcc tre- trec tred tree treg treo tret trge troc trod troe trog troo trot trtc trte trtr tteo tter ttoe tttt