c-cd cccc cccf ccdc ccdf ccdh ccdr cced ccee ccfc ccfd ccff cche cchr ccrc ccre ccrf ccrt cctc cctt cd-e cd-r cddr cdec cdef cder cdfe cdre cec- cece cect cedd cede cedt ceec cef- cefc cer- cerc cerd cere cerf cert cet- cete cfcf cffr cfre cfrt cftc cfte cfth cftr chce chch chec ched chee chef cheh cher chet chfc chfr chrc chrd chrf chrr chrt chtr chtt crcc crce crcr crdc cre- crec cred cree creh cret crfc crrt crtc crtf ctcf ctec ctfc ctrc dccc dcct dcfc dche dctc dddd ddrc ddre dec- decc decd dece dect dedd dede deed deef deer deet defe deff deft der- derc dere derf derr dete deth detr dfcc dfdt dfer dfrf dftr dhec dhed dhee dher dhfc dred dree dref dreh dret drfc dtcc dted dtfc dthd eccc ecce ecct ecdc ecdf eced ecef ecfc ecfr eche echt ecrc ecrf ecrr ect- ectc ectf ecth eddc edde ede- edeh eder eede eeee eefe eerc eetc eete eeth efet eft- ehcc ehdd eheh eher ehre ehte ercc erce erch erde erdf erec ered erer eret erfc erft erhc errc erre erth etcc etch etec etee eter etfc etfe eth- ethe etre ette fccf fcch fdtc fece fech fect fede feed feer feet fefc fefe feff fehd fehr ferc ferd fere ferr fert fete feth fetr fett ffcc ffee ffff ffrr fftf frcc fred free fret frfc ft-c ftcd fter ftfc hccc hcch hcdr hcfc hcrd hdfc hdtt hech hect hedd hede heed heef heer heet hefd hefe heft hehe herc herd here herr hert hete heth hett hfce hhhh hrdc hree hrfc hrrc hrte htcc htet htfc httr rccc rcdc rcde rcet rcfc rcrd rctc rder recc recd rece rech recr rect redc redd rede redh redr reed reef reet refd refe reff refr reft rehe reht rerd rere rert retd rete reth retr rett rfef rffc rftc rhce rhee rhet rred rrfc rrrr rtcc rtce rtdt rtee rtfc tccc tcdd tcfc tch- tche tchh tchr tctc tdff tech tecr tect tedd tede teec teed teef teer teet tefc teff teft tehr ter- terc tere terf terr tete teth tetr tett tfdc tfec tftc thch thdr the- thec thed thee thef ther thet thre thtr trcc tre- trec tred tree tref tret trfc trfd trfr trtc trte trtr tter ttfc ttff tttt