c-cd cccc cccf cccl ccdc ccdf ccdr cced ccee ccel ccfc ccfd ccff ccfl cclc ccrc ccre ccrf ccrl ccrt cctc cctl cctt cd-e cd-r cddl cddr cdec cdef cder cdfe cdre cec- cece cect cedd cede cedt ceec ceel cef- cefc cel- celc cele celf cell celt cer- cerc cerd cere cerf cerl cert cet- cete cfcf cfcl cffr cfre cfrt cftc cfte cftl cftr clcd cldc cldr clec cled clee clef cler clet clrd cltc crcc crce crcr crdc cre- crec cred cree cret crfc crfl crlf crrt crtc crtf crtl ctcf ctec ctfc ctle ctrc ctrl dccc dccl dcct dcfc dctc dddd ddlc ddrc ddre dec- decc decd dece decl dect dedd dede deed deef deel deer deet defe deff deft deld dele delf dell delt der- derc dere derf derr dete detr dfcc dfdt dfer dfrf dftr dred dree dref drel dret drfc dtcc dted dtfc dtle dtrl e-cl eccc ecce eccl ecct ecdc ecdf ecdl eced ecef ecfc ecfr eclt ecrc ecrf ecrl ecrr ect- ectc ectf eddc edde ede- edel eder edfl edle eede eeee eefe eefl eele eerc eetc eete efet eft- elce elde eldr elec eled elee elef eler elet elfc elfe elft elle elte ercc erce erde erdf erec ered erel erer eret erfc erft erld erle erll errc erre ertl etcc etec etee etel eter etfc etfe etre ette fccf fdlr fdtc fdtl fece fect fede feed feel feer feet fefc fefe feff feld fele felf fell felt ferc ferd fere ferr fert fete fetr fett ffcc ffee ffff ffrr fftf flcl fldr fled flee fler flet frcc fred free fret frfc ft-c ft-l ftcd fter ftfc lccc lcce lcdd lcdr lcer lcfc lcfr lcrd lcrl lctl ldcf lece lect lede ledt leed leef leel leer leet lefe leff left lele lell lerc lerd lere lert lete lett lfcc lfrd llcc lldc llef llet lllc llll lrdd lrfc lrrc lrrr ltcc ltee ltfc lttc lttr rccc rcdc rcde rcet rcfc rcle rcrd rctc rder recc recd rece recr rect redc redd rede redl redr reed reef reel reet refd refe reff refl refr reft reld rele rell relt rerd rere rert retd rete retr rett rfef rffc rffl rftc rldt rlee rlef rred rrfc rrle rrrr rtcc rtce rtdt rtee rtfc rtle rtlt tccc tcdd tcfc tctc tdff tecl tecr tect tedd tede teec teed teef teel teer teet tefc teff tefl teft tel- telc teld tele tell telt ter- terc tere terf terr tete tetr tett tfdc tfec tftc tldr trcc trcl tre- trec tred tree tref tret trfc trfd trfr trtc trte trtr tter ttfc ttff tttt